Quarterly report pursuant to Section 13 or 15(d)

Goodwill (Details Textual)

v2.4.0.8
Goodwill (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 31, 2013
Aug. 31, 2013
Feb. 28, 2014
Goodwill [Line Items]      
Purchase accounting allocations     $ 3,715.8
Impairment of goodwill 278.7 278.7 278.7
Operating Segments [Member] | Beer [Member]
     
Goodwill [Line Items]      
Purchase accounting allocations     3,702.8
Impairment of goodwill     0
Operating Segments [Member] | Beer [Member] | Beer Business Acquisition [Member]
     
Goodwill [Line Items]      
Purchase accounting allocations     3,702.8
Operating Segments [Member] | Wine and Spirits [Member]
     
Goodwill [Line Items]      
Purchase accounting allocations     0
Impairment of goodwill     278.7
Consolidation and Eliminations [Member]
     
Goodwill [Line Items]      
Purchase accounting allocations     13.0
Impairment of goodwill     0
Consolidation and Eliminations [Member] | Beer Business Acquisition [Member]
     
Goodwill [Line Items]      
Purchase accounting allocations     $ 13.0