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

Commitments and Contingencies (Purchase Commitments and Contingencies) (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011
Long-term Purchase Commitment [Line Items]
Rental expense	$ 60.4	$ 73.7	$ 92.6
Grape [Member]
Long-term Purchase Commitment [Line Items]
Annual purchases under contracts	370.8	286.6	383.0
Aggregate minimum purchase obligation	1,415.7
Commitment period for purchase contracts	through December 2027
Liability for estimated loss on acquired firm purchase commitments	4.0	4.8
Grape [Member] \| Minimum [Member]
Long-term Purchase Commitment [Line Items]
Commitment period for purchase contracts, years	1 year
Grape [Member] \| Maximum [Member]
Long-term Purchase Commitment [Line Items]
Commitment period for purchase contracts, years	15 years
Bulk Wine [Member]
Long-term Purchase Commitment [Line Items]
Aggregate minimum purchase obligation	60.8
Commitment period for purchase contracts	through December 2017
Raw Material [Member]
Long-term Purchase Commitment [Line Items]
Aggregate minimum purchase obligation	253.7
Commitment period for purchase contracts	through February 2015
Processing [Member]
Long-term Purchase Commitment [Line Items]
Aggregate minimum purchase obligation	$ 115.3
Commitment period for purchase contracts	through March 2019