Annual report pursuant to Section 13 and 15(d)

Goodwill (Details Textual)

v2.4.0.6
Goodwill (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2013
Constellation Wines and Spirits [Member]
Feb. 29, 2012
Constellation Wines and Spirits [Member]
Feb. 29, 2012
Constellation Wines and Spirits [Member]
Ruffino [Member]
Feb. 28, 2013
Constellation Wines and Spirits [Member]
Mark West [Member]
Jul. 01, 2012
Constellation Wines and Spirits [Member]
Mark West [Member]
Goodwill [Line Items]              
Purchase accounting allocations $ 110.0 $ 9.3 $ 110.0 $ 9.3 $ 9.3 $ 110.0  
Business acquisition, purchase price             $ 159.3