Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details)

v2.4.0.8
Goodwill (Details) (USD $)
In Millions, unless otherwise specified
 9 Months Ended 12 Months Ended
Nov. 30, 2013
Feb. 28, 2013
Feb. 29, 2012
Changes in the carrying amount of goodwill:      
Goodwill $ 6,422.4 $ 2,722.3 $ 2,632.9
Accumulated impairment losses (272.4) 0 0
Goodwill, net 6,150.0 2,722.3 2,632.9
Purchase accounting allocations 3,715.8 110.0  
Foreign currency translation adjustments (9.4) (20.6)  
Impairment of goodwill (278.7)    
Operating Segments [Member] | Wine and Spirits [Member]
      
Changes in the carrying amount of goodwill:      
Goodwill 2,707.3 2,722.3 2,632.9
Accumulated impairment losses (272.4) 0 0
Goodwill, net 2,434.9 2,722.3 2,632.9
Purchase accounting allocations 0 110.0  
Foreign currency translation adjustments (8.7) (20.6)  
Impairment of goodwill (278.7)    
Operating Segments [Member] | Beer [Member]
      
Changes in the carrying amount of goodwill:      
Goodwill 3,715.1 13.0 13.0
Accumulated impairment losses 0 0 0
Goodwill, net 3,715.1 13.0 13.0
Purchase accounting allocations 3,702.8 0  
Foreign currency translation adjustments (0.7) 0  
Impairment of goodwill 0    
Consolidations and Eliminations [Member]
      
Changes in the carrying amount of goodwill:      
Goodwill 0 (13.0) (13.0)
Accumulated impairment losses 0 0 0
Goodwill, net 0 (13.0) (13.0)
Purchase accounting allocations 13.0 0  
Foreign currency translation adjustments 0 0  
Impairment of goodwill $ 0