Constellation Brands, Inc. Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details) - USD ($) $ in Millions	May. 31, 2015	Feb. 28, 2015
Designated as hedging instrument [Member] \| Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	$ 500.7	$ 454.8
Designated as hedging instrument [Member] \| Interest rate swap contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	500.0	500.0
Not designated as hedging instrument [Member] \| Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	981.6	1,548.5
Not designated as hedging instrument [Member] \| Interest rate swap contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	1,000.0	1,000.0
Not designated as hedging instrument [Member] \| Commodity derivative contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	$ 195.8	$ 190.8