Constellation Brands, Inc. Annual report pursuant to Section 13 and 15(d)

Business Segment Information (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014	May 31, 2014	Feb. 28, 2014	Nov. 30, 2013	Aug. 31, 2013	May 31, 2013	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	$ 1,356.2stz_SalesRevenueNetOfExciseTaxes	$ 1,541.7stz_SalesRevenueNetOfExciseTaxes	$ 1,604.1stz_SalesRevenueNetOfExciseTaxes	$ 1,526.0stz_SalesRevenueNetOfExciseTaxes	$ 1,291.2stz_SalesRevenueNetOfExciseTaxes	$ 1,443.3stz_SalesRevenueNetOfExciseTaxes	$ 1,459.8stz_SalesRevenueNetOfExciseTaxes	$ 673.4stz_SalesRevenueNetOfExciseTaxes	$ 6,028.0stz_SalesRevenueNetOfExciseTaxes	$ 4,867.7stz_SalesRevenueNetOfExciseTaxes	$ 2,796.1stz_SalesRevenueNetOfExciseTaxes
Long-lived tangible assets	2,681.6us-gaap_PropertyPlantAndEquipmentNet				2,014.3us-gaap_PropertyPlantAndEquipmentNet				2,681.6us-gaap_PropertyPlantAndEquipmentNet	2,014.3us-gaap_PropertyPlantAndEquipmentNet	1,229.0us-gaap_PropertyPlantAndEquipmentNet
Geographical Components [Member] \| U.S. [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									5,360.0	4,169.8	2,114.5
Long-lived tangible assets	909.7				901.6				909.7	901.6
Geographical Components [Member] \| Non-U.S. [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									668.0	697.9	681.6
Long-lived tangible assets	$ 1,771.9				$ 1,112.7				$ 1,771.9	$ 1,112.7