Annual report pursuant to Section 13 and 15(d)

Condensed Consolidating Financial Information (Details 2)

v2.4.1.9
Condensed Consolidating Financial Information (Details 2) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Feb. 28, 2013
Jun. 06, 2014
Jun. 07, 2013
Condensed Consolidating Statement of Cash Flows          
Net cash provided by (used in) operating activities $ 1,081.0us-gaap_NetCashProvidedByUsedInOperatingActivities $ 826.2us-gaap_NetCashProvidedByUsedInOperatingActivities $ 556.3us-gaap_NetCashProvidedByUsedInOperatingActivities    
Cash flows from investing activities:          
Purchases of property, plant and equipment (719.4)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (223.5)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (62.1)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment    
Purchases of businesses, net of cash acquired (310.3)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired (4,681.3)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired (159.3)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired    
Net proceeds from (repayments of) intercompany notes 0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties 0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties 0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties    
Net returns of capital from (investments in) equity affiliates 0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting 0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting 0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting    
Other investing activities 13.8us-gaap_PaymentsForProceedsFromOtherInvestingActivities 41.0us-gaap_PaymentsForProceedsFromOtherInvestingActivities 14.6us-gaap_PaymentsForProceedsFromOtherInvestingActivities    
Net cash used in investing activities (1,015.9)us-gaap_NetCashProvidedByUsedInInvestingActivities (4,863.8)us-gaap_NetCashProvidedByUsedInInvestingActivities (206.8)us-gaap_NetCashProvidedByUsedInInvestingActivities    
Cash flows from financing activities:          
Payments of dividends 0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries 0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries      
Net contributions from (returns of capital to) equity affiliates 0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing 0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing 0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing    
Net proceeds from (repayments of) intercompany notes 0us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt 0us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt 0us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt    
Principal payments of long-term debt (605.7)us-gaap_RepaymentsOfLongTermDebt (96.4)us-gaap_RepaymentsOfLongTermDebt (1,537.2)us-gaap_RepaymentsOfLongTermDebt    
Payment of delayed purchase price arrangement (543.3)stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement 0stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement 0stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement    
Payments of minimum tax withholdings on stock-based payment awards (28.4)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation (18.0)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation (0.5)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation    
Payments of financing costs of long-term debt (13.8)us-gaap_PaymentsOfFinancingCosts (82.2)us-gaap_PaymentsOfFinancingCosts (35.8)us-gaap_PaymentsOfFinancingCosts    
Proceeds from issuance of long-term debt 905.0us-gaap_ProceedsFromIssuanceOfLongTermDebt 3,725.0us-gaap_ProceedsFromIssuanceOfLongTermDebt 2,050.0us-gaap_ProceedsFromIssuanceOfLongTermDebt    
Proceeds from noncontrolling interests 115.0us-gaap_ProceedsFromMinorityShareholders 0us-gaap_ProceedsFromMinorityShareholders 0us-gaap_ProceedsFromMinorityShareholders    
Excess tax benefits from stock-based payment awards 78.0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 65.4us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 17.7us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities    
Proceeds from shares issued under equity compensation plans 63.7us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions 125.9us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions 162.7us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions    
Net proceeds from (repayments of) notes payable 13.1us-gaap_ProceedsFromRepaymentsOfNotesPayable 57.3us-gaap_ProceedsFromRepaymentsOfNotesPayable (372.6)us-gaap_ProceedsFromRepaymentsOfNotesPayable    
Net cash provided by (used in) financing activities (16.4)us-gaap_NetCashProvidedByUsedInFinancingActivities 3,777.0us-gaap_NetCashProvidedByUsedInFinancingActivities (98.7)us-gaap_NetCashProvidedByUsedInFinancingActivities    
Purchases of treasury stock 0us-gaap_PaymentsForRepurchaseOfCommonStock 0us-gaap_PaymentsForRepurchaseOfCommonStock (383.0)us-gaap_PaymentsForRepurchaseOfCommonStock    
Effect of exchange rate changes on cash and cash equivalents (2.5)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents (7.0)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents (5.1)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents    
Net increase (decrease) in cash and cash equivalents 46.2us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (267.6)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 245.7us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease    
Cash and cash equivalents, beginning of year 63.9us-gaap_CashAndCashEquivalentsAtCarryingValue 331.5us-gaap_CashAndCashEquivalentsAtCarryingValue 85.8us-gaap_CashAndCashEquivalentsAtCarryingValue 308.0us-gaap_CashAndCashEquivalentsAtCarryingValue 232.0us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents, end of year 110.1us-gaap_CashAndCashEquivalentsAtCarryingValue 63.9us-gaap_CashAndCashEquivalentsAtCarryingValue 331.5us-gaap_CashAndCashEquivalentsAtCarryingValue 308.0us-gaap_CashAndCashEquivalentsAtCarryingValue 232.0us-gaap_CashAndCashEquivalentsAtCarryingValue
Parent Company [Member]          
Condensed Consolidating Statement of Cash Flows          
Net cash provided by (used in) operating activities (553.6)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(466.1)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(336.2)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Cash flows from investing activities:          
Purchases of property, plant and equipment (23.1)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(5.4)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(5.0)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Purchases of businesses, net of cash acquired 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net proceeds from (repayments of) intercompany notes 485.4us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
972.6us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
503.2us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net returns of capital from (investments in) equity affiliates (2.6)stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,133.2)stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
37.2stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Other investing activities (0.1)us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0.6us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net cash used in investing activities 459.6us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(166.0)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
536.0us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Cash flows from financing activities:          
Payments of dividends 0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
     
Net contributions from (returns of capital to) equity affiliates 0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net proceeds from (repayments of) intercompany notes (262.8)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,850.1)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0.5us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Principal payments of long-term debt (549.2)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(49.8)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,528.7)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Payment of delayed purchase price arrangement 0stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Payments of minimum tax withholdings on stock-based payment awards 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Payments of financing costs of long-term debt (11.7)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(69.6)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(35.8)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Proceeds from issuance of long-term debt 800.0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
2,225.0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
2,050.0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Proceeds from noncontrolling interests 0us-gaap_ProceedsFromMinorityShareholders
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
       
Excess tax benefits from stock-based payment awards 78.0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
65.4us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
17.7us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Proceeds from shares issued under equity compensation plans 63.7us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
125.9us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
162.7us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net proceeds from (repayments of) notes payable 0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(297.9)us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net cash provided by (used in) financing activities 118.0us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
446.8us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(14.5)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Purchases of treasury stock     (383.0)us-gaap_PaymentsForRepurchaseOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Effect of exchange rate changes on cash and cash equivalents 0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net increase (decrease) in cash and cash equivalents 24.0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(185.3)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
185.3us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Cash and cash equivalents, beginning of year 0.5us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
185.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0.5us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Cash and cash equivalents, end of year 24.5us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0.5us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
185.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Subsidiaries Guarantors [Member]          
Condensed Consolidating Statement of Cash Flows          
Net cash provided by (used in) operating activities 784.5us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,070.7us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
722.7us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Cash flows from investing activities:          
Purchases of property, plant and equipment (83.7)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(61.4)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(39.8)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Purchases of businesses, net of cash acquired 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(1,770.0)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(159.3)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net proceeds from (repayments of) intercompany notes 0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net returns of capital from (investments in) equity affiliates 0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(5.1)stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(0.3)stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Other investing activities (5.6)us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
2.4us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
9.6us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net cash used in investing activities (89.3)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(1,834.1)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(189.8)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Cash flows from financing activities:          
Payments of dividends 0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
     
Net contributions from (returns of capital to) equity affiliates (31.5)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(172.8)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(20.8)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net proceeds from (repayments of) intercompany notes (618.1)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
972.9us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(503.5)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Principal payments of long-term debt (19.6)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(20.2)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(8.5)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Payment of delayed purchase price arrangement 0stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
       
Payments of minimum tax withholdings on stock-based payment awards (26.1)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(16.4)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Payments of financing costs of long-term debt 0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Proceeds from issuance of long-term debt 0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Proceeds from noncontrolling interests 0us-gaap_ProceedsFromMinorityShareholders
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
       
Excess tax benefits from stock-based payment awards 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Proceeds from shares issued under equity compensation plans 0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net proceeds from (repayments of) notes payable 0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net cash provided by (used in) financing activities (695.3)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
763.5us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(532.8)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Purchases of treasury stock     0us-gaap_PaymentsForRepurchaseOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Effect of exchange rate changes on cash and cash equivalents 0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net increase (decrease) in cash and cash equivalents (0.1)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.1us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.1us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Cash and cash equivalents, beginning of year 0.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.7us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.6us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Cash and cash equivalents, end of year 0.7us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.7us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Subsidiary Nonguarantors [Member]          
Condensed Consolidating Statement of Cash Flows          
Net cash provided by (used in) operating activities 850.1us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
240.4us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
169.8us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Cash flows from investing activities:          
Purchases of property, plant and equipment (612.6)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(156.7)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(17.3)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Purchases of businesses, net of cash acquired (310.3)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(2,911.3)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net proceeds from (repayments of) intercompany notes 0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net returns of capital from (investments in) equity affiliates 0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0.1stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Other investing activities 19.5us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
38.6us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
4.4us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net cash used in investing activities (903.4)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(3,029.3)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(12.9)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Cash flows from financing activities:          
Payments of dividends (38.8)us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(84.3)us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
     
Net contributions from (returns of capital to) equity affiliates 72.9stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1,376.5stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(16.1)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net proceeds from (repayments of) intercompany notes 395.5us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(95.4)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.2)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Principal payments of long-term debt (36.9)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(26.4)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Payment of delayed purchase price arrangement (543.3)stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
       
Payments of minimum tax withholdings on stock-based payment awards (2.3)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(1.6)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.5)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Payments of financing costs of long-term debt (2.1)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(12.6)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Proceeds from issuance of long-term debt 105.0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1,500.0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Proceeds from noncontrolling interests 115.0us-gaap_ProceedsFromMinorityShareholders
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
       
Excess tax benefits from stock-based payment awards 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Proceeds from shares issued under equity compensation plans 0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net proceeds from (repayments of) notes payable 13.1us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
57.3us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(74.7)us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net cash provided by (used in) financing activities 78.1us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
2,713.5us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(91.5)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Purchases of treasury stock     0us-gaap_PaymentsForRepurchaseOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Effect of exchange rate changes on cash and cash equivalents (2.5)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(7.0)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(5.1)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net increase (decrease) in cash and cash equivalents 22.3us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(82.4)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
60.3us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Cash and cash equivalents, beginning of year 62.6us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
145.0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
84.7us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Cash and cash equivalents, end of year 84.9us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
62.6us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
145.0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Eliminations [Member]          
Condensed Consolidating Statement of Cash Flows          
Net cash provided by (used in) operating activities 0us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(18.8)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Cash flows from investing activities:          
Purchases of property, plant and equipment 0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Purchases of businesses, net of cash acquired 0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net proceeds from (repayments of) intercompany notes (485.4)us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(972.6)us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(503.2)us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net returns of capital from (investments in) equity affiliates 2.6stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
1,138.2stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(36.9)stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Other investing activities 0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net cash used in investing activities (482.8)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
165.6us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(540.1)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Cash flows from financing activities:          
Payments of dividends 38.8us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
84.3us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
     
Net contributions from (returns of capital to) equity affiliates (41.4)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(1,203.7)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
36.9stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net proceeds from (repayments of) intercompany notes 485.4us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
972.6us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
503.2us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Principal payments of long-term debt 0us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Payment of delayed purchase price arrangement 0stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
       
Payments of minimum tax withholdings on stock-based payment awards 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Payments of financing costs of long-term debt 0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Proceeds from issuance of long-term debt 0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Proceeds from noncontrolling interests 0us-gaap_ProceedsFromMinorityShareholders
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
       
Excess tax benefits from stock-based payment awards 0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Proceeds from shares issued under equity compensation plans 0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net proceeds from (repayments of) notes payable 0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net cash provided by (used in) financing activities 482.8us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(146.8)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
540.1us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Purchases of treasury stock     0us-gaap_PaymentsForRepurchaseOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Effect of exchange rate changes on cash and cash equivalents 0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net increase (decrease) in cash and cash equivalents 0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Cash and cash equivalents, beginning of year 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Cash and cash equivalents, end of year $ 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember