Annual report pursuant to Section 13 and 15(d)

Stock-Based Employee Compensation (Details 6)

v2.4.1.9
Stock-Based Employee Compensation (Details 6) (Long Term Stock Incentive Plan [Member], USD $)
12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Feb. 28, 2013
Performance share units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Grant-date fair value $ 99.64us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
$ 57.88us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
$ 38.47us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
Performance Share Units, Market Condition [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Grant-date fair value $ 101.05us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
$ 66.33us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
$ 38.47us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
Grant-date price $ 79.61us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodIntrinsicValue
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
$ 48.89us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodIntrinsicValue
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
$ 24.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodIntrinsicValue
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
Performance period 3 years 3 years 2 years 10 months 24 days
Expected volatility 38.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
38.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
28.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
Risk-free interest rate 0.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
0.40%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
0.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
Expected dividend yield 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= stz_PerformanceShareUnitsMarketConditionMember
/ us-gaap_PlanNameAxis
= stz_LongTermStockIncentivePlanMember