Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details)

v2.4.0.6
Goodwill (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
May 31, 2012
Feb. 29, 2012
Feb. 28, 2011
Changes in the carrying amount of goodwill:      
Goodwill $ 2,599.2 $ 2,632.9 $ 2,619.8
Accumulated impairment losses   0  
Net goodwill 2,599.2 2,632.9 2,619.8
Goodwill, purchase accounting allocations   9.3  
Foreign currency translation adjustments (33.7) 3.8  
Constellation Wines and Spirits [Member]
     
Changes in the carrying amount of goodwill:      
Goodwill 2,599.2 2,632.9 2,619.8
Accumulated impairment losses 0 0  
Net goodwill 2,599.2 2,632.9 2,619.8
Goodwill, purchase accounting allocations   9.3  
Foreign currency translation adjustments (33.7) 3.8  
Crown Imports [Member]
     
Changes in the carrying amount of goodwill:      
Goodwill 13.0 13.0 13.0
Net goodwill 13.0 13.0 13.0
Consolidations and Eliminations [Member]
     
Changes in the carrying amount of goodwill:      
Goodwill (13.0) (13.0) (13.0)
Net goodwill $ (13.0) $ (13.0) $ (13.0)