Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details)

v2.4.0.6
Goodwill (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended 12 Months Ended
Nov. 30, 2011
Feb. 28, 2011
Feb. 28, 2010
Changes in the carrying amount of goodwill:      
Goodwill $ 2,602.2 $ 2,619.8 $ 3,423.2
Accumulated impairment losses 0 0 (852.6)
Net goodwill 2,602.2 2,619.8 2,570.6
Foreign currency translation adjustments (17.6) 49.2  
Divestiture of business, Goodwill   (852.6)  
Divestiture of business, Accumulated impairment losses   852.6  
Consolidations and Eliminations [Member]
     
Changes in the carrying amount of goodwill:      
Goodwill (13.0) (13.0) (13.0)
Accumulated impairment losses 0 0 0
Net goodwill (13.0) (13.0) (13.0)
CWNA [Member]
     
Changes in the carrying amount of goodwill:      
Goodwill 2,602.2 2,619.8 2,570.6
Accumulated impairment losses 0 0 0
Net goodwill 2,602.2 2,619.8 2,570.6
Foreign currency translation adjustments (17.6) 49.2  
CWAE [Member]
     
Changes in the carrying amount of goodwill:      
Goodwill 0 0 852.6
Accumulated impairment losses 0 0 (852.6)
Net goodwill 0 0 0
Divestiture of business, Goodwill   (852.6)  
Divestiture of business, Accumulated impairment losses   852.6  
Crown Imports [Member]
     
Changes in the carrying amount of goodwill:      
Goodwill 13.0 13.0 13.0
Accumulated impairment losses 0 0 0
Net goodwill $ 13.0 $ 13.0 $ 13.0