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

Intangible Assets (Details)

Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Amortizable intangible assets, Gross Carrying Amount	$ 190.2	$ 186.6
Amortizable intangible assets, Net Carrying Amount	102.7us-gaap_FiniteLivedIntangibleAssetsNet	138.1us-gaap_FiniteLivedIntangibleAssetsNet
Nonamortizable intangible assets, Net Carrying Amount	3,078.3	3,093.0
Total intangible assets, Net Carrying Amount	3,181.0	3,231.1
Amortization expense for intangible assets	40.0us-gaap_AmortizationOfIntangibleAssets	15.5us-gaap_AmortizationOfIntangibleAssets	7.2us-gaap_AmortizationOfIntangibleAssets
Trademarks [Member]
Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Nonamortizable intangible assets, Net Carrying Amount	3,073.9	3,088.0
Other [Member]
Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Nonamortizable intangible assets, Net Carrying Amount	4.4	5.0
Customer relationships [Member]
Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Amortizable intangible assets, Gross Carrying Amount	100.9	103.6
Amortizable intangible assets, Net Carrying Amount	63.3	70.5
Favorable interim supply agreement [Member]
Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Amortizable intangible assets, Gross Carrying Amount	68.3	68.3
Amortizable intangible assets, Net Carrying Amount	33.9	62.3
Other [Member]
Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Line Items]
Amortizable intangible assets, Gross Carrying Amount	21.0	14.7
Amortizable intangible assets, Net Carrying Amount	$ 5.5	$ 5.3