Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidating Financial Information (Details 2)

v2.4.1.9
Condensed Consolidating Financial Information (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Nov. 30, 2014
Nov. 30, 2013
Jun. 06, 2014
Jun. 07, 2013
Condensed Consolidating Statement of Cash Flows            
Net cash (used in) provided by operating activities     $ 750.1us-gaap_NetCashProvidedByUsedInOperatingActivities $ 629.1us-gaap_NetCashProvidedByUsedInOperatingActivities    
Cash flows from investing activities            
Purchases of property, plant and equipment (233.1)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (36.7)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (541.3)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (85.9)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment    
Purchase of business, net of cash acquired     (21.4)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired (4,681.0)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired    
Net proceeds from intercompany notes     0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties 0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties    
Net investments in equity affiliates     0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting 0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting    
Other investing activities     3.0us-gaap_PaymentsForProceedsFromOtherInvestingActivities 9.4us-gaap_PaymentsForProceedsFromOtherInvestingActivities    
Net cash used in investing activities     (559.7)us-gaap_NetCashProvidedByUsedInInvestingActivities (4,757.5)us-gaap_NetCashProvidedByUsedInInvestingActivities    
Cash flows from financing activities            
Payments of dividends     0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries 0us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries    
Net (returns of capital to) contributions from equity affiliates     0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing 0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing    
Net proceeds from (repayments of) intercompany notes     0us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt 0us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt    
Principal payments of long-term debt     (565.3)us-gaap_RepaymentsOfLongTermDebt (90.6)us-gaap_RepaymentsOfLongTermDebt    
Payment of delayed purchase price arrangement     (543.3)stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement 0stz_BusinessCombinationPaymentOfDelayedPurchasePriceArrangement    
Payments of minimum tax withholdings on stock-based payment awards     (28.4)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation (18.0)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation    
Payments of financing costs of long-term debt     (13.3)us-gaap_PaymentsOfFinancingCosts (82.2)us-gaap_PaymentsOfFinancingCosts    
Proceeds from issuance of long-term debt     800.0us-gaap_ProceedsFromIssuanceOfLongTermDebt 3,725.0us-gaap_ProceedsFromIssuanceOfLongTermDebt    
Excess tax benefits from stock-based payment awards     76.0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities 64.7us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities    
Net proceeds from notes payable     50.6us-gaap_ProceedsFromRepaymentsOfNotesPayable 170.6us-gaap_ProceedsFromRepaymentsOfNotesPayable    
Proceeds from exercises of employee stock options     30.4us-gaap_ProceedsFromStockOptionsExercised 93.1us-gaap_ProceedsFromStockOptionsExercised    
Proceeds from employee stock purchases     3.8us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans 2.5us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans    
Net cash (used in) provided by financing activities     (189.5)us-gaap_NetCashProvidedByUsedInFinancingActivities 3,865.1us-gaap_NetCashProvidedByUsedInFinancingActivities    
Effect of exchange rate changes on cash and cash investments     2.5us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents (3.0)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents    
NET INCREASE (DECREASE) IN CASH AND CASH INVESTMENTS     3.4us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (266.3)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease    
CASH AND CASH INVESTMENTS, beginning of period     63.9us-gaap_CashAndCashEquivalentsAtCarryingValue 331.5us-gaap_CashAndCashEquivalentsAtCarryingValue 308.0us-gaap_CashAndCashEquivalentsAtCarryingValue 232.0us-gaap_CashAndCashEquivalentsAtCarryingValue
CASH AND CASH INVESTMENTS, end of period 67.3us-gaap_CashAndCashEquivalentsAtCarryingValue 65.2us-gaap_CashAndCashEquivalentsAtCarryingValue 67.3us-gaap_CashAndCashEquivalentsAtCarryingValue 65.2us-gaap_CashAndCashEquivalentsAtCarryingValue 308.0us-gaap_CashAndCashEquivalentsAtCarryingValue 232.0us-gaap_CashAndCashEquivalentsAtCarryingValue
Parent Company [Member]            
Condensed Consolidating Statement of Cash Flows            
Net cash (used in) provided by operating activities     (395.1)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(266.2)us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Cash flows from investing activities            
Purchases of property, plant and equipment     (17.4)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(5.7)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Purchase of business, net of cash acquired     0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net proceeds from intercompany notes     70.9us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
859.2us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net investments in equity affiliates     (28.8)stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,095.0)stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Other investing activities     0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net cash used in investing activities     24.7us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(241.5)us-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 (returns of capital to) contributions from equity affiliates     0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net proceeds from (repayments of) intercompany notes     26.3us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(1,941.5)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Principal payments of long-term debt     (533.0)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(49.3)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
   
Payments of financing costs of long-term debt     (11.2)us-gaap_PaymentsOfFinancingCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(69.6)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
   
Excess tax benefits from stock-based payment awards     76.0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
64.7us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net proceeds from notes payable     0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Proceeds from exercises of employee stock options     30.4us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
93.1us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Proceeds from employee stock purchases     3.8us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
2.5us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Net cash (used in) provided by financing activities     392.3us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
324.9us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Effect of exchange rate changes on cash and cash investments     0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
NET INCREASE (DECREASE) IN CASH AND CASH INVESTMENTS     21.9us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(182.8)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
CASH AND CASH INVESTMENTS, beginning of period     0.5us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
185.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
CASH AND CASH INVESTMENTS, end of period 22.4us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3.0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
22.4us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3.0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Subsidiaries Guarantors [Member]            
Condensed Consolidating Statement of Cash Flows            
Net cash (used in) provided by operating activities     468.9us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
910.0us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Cash flows from investing activities            
Purchases of property, plant and equipment     (70.3)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(45.9)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Purchase of business, net of cash acquired     0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(1,770.1)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net proceeds from intercompany notes     0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net investments in equity affiliates     0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(5.0)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
   
Net cash used in investing activities     (75.9)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(1,818.6)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 (returns of capital to) contributions from equity affiliates     (24.5)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(188.4)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net proceeds from (repayments of) intercompany notes     (327.9)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1,129.9us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Principal payments of long-term debt     (14.5)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
(15.0)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
   
Payments of financing costs of long-term debt     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
   
Excess tax benefits from stock-based payment awards     0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net proceeds from notes payable     0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Proceeds from exercises of employee stock options     0us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Proceeds from employee stock purchases     0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Net cash (used in) provided by financing activities     (393.0)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
910.1us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Effect of exchange rate changes on cash and cash investments     0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
NET INCREASE (DECREASE) IN CASH AND CASH INVESTMENTS     0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
1.5us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
CASH AND CASH INVESTMENTS, beginning of period     0.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.7us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
CASH AND CASH INVESTMENTS, end of period 0.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
2.2us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
0.8us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
2.2us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_GuarantorSubsidiariesMember
   
Subsidiary Nonguarantors [Member]            
Condensed Consolidating Statement of Cash Flows            
Net cash (used in) provided by operating activities     676.3us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
4.1us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Cash flows from investing activities            
Purchases of property, plant and equipment     (453.6)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(34.3)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Purchase of business, net of cash acquired     (21.4)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(2,910.9)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net proceeds from intercompany notes     0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net investments in equity affiliates     0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Other investing activities     8.6us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
7.0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net cash used in investing activities     (466.4)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(2,938.2)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Cash flows from financing activities            
Payments of dividends     (24.9)us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(18.8)us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net (returns of capital to) contributions from equity affiliates     78.2stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1,288.4stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net proceeds from (repayments of) intercompany notes     230.7us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(47.6)us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Principal payments of long-term debt     (17.8)us-gaap_RepaymentsOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(26.3)us-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
   
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
   
Proceeds from issuance of long-term debt     0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1,500.0us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ 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
   
Net proceeds from notes payable     50.6us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
170.6us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Proceeds from exercises of employee stock options     0us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Proceeds from employee stock purchases     0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Net cash (used in) provided by financing activities     (230.9)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
2,852.1us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Effect of exchange rate changes on cash and cash investments     2.5us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(3.0)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
NET INCREASE (DECREASE) IN CASH AND CASH INVESTMENTS     (18.5)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(85.0)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
CASH AND CASH INVESTMENTS, beginning of period     62.6us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
145.0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
CASH AND CASH INVESTMENTS, end of period 44.1us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
60.0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
44.1us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
60.0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
   
Eliminations [Member]            
Condensed Consolidating Statement of Cash Flows            
Net cash (used in) provided by operating activities     0us-gaap_NetCashProvidedByUsedInOperatingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(18.8)us-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
   
Purchase of business, net of cash acquired     0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net proceeds from intercompany notes     (70.9)us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(859.2)us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net investments in equity affiliates     28.8stz_NetReturnsOfCapitalFromInvestmentsInEquityAffiliatesInvesting
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
1,100.0stz_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
   
Net cash used in investing activities     (42.1)us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
240.8us-gaap_NetCashProvidedByUsedInInvestingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Cash flows from financing activities            
Payments of dividends     24.9us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
18.8us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net (returns of capital to) contributions from equity affiliates     (53.7)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(1,100.0)stz_NetContributionsFromReturnsOfCapitalToEquityAffiliatesFinancing
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net proceeds from (repayments of) intercompany notes     70.9us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
859.2us-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
   
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
   
Payments of financing costs of long-term debt     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
   
Excess tax benefits from stock-based payment awards     0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net proceeds from notes payable     0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromRepaymentsOfNotesPayable
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Proceeds from exercises of employee stock options     0us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromStockOptionsExercised
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Proceeds from employee stock purchases     0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Net cash (used in) provided by financing activities     42.1us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(222.0)us-gaap_NetCashProvidedByUsedInFinancingActivities
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
Effect of exchange rate changes on cash and cash investments     0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
NET INCREASE (DECREASE) IN CASH AND CASH INVESTMENTS     0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
CASH AND CASH INVESTMENTS, beginning of period     0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
   
CASH AND CASH INVESTMENTS, end of period $ 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ 0us-gaap_CashAndCashEquivalentsAtCarryingValue
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember