Annual report pursuant to Section 13 and 15(d)

Goodwill (Details Textual)

v2.4.0.8
Goodwill (Details Textual) (USD $)
3 Months Ended 12 Months Ended
Feb. 28, 2014
Aug. 31, 2013
Feb. 28, 2014
Feb. 28, 2013
Feb. 29, 2012
Goodwill [Line Items]          
Purchase accounting allocations     $ 3,715,800,000 $ 110,000,000  
Impairment of goodwill 0 278,700,000 278,700,000 0 0
Operating Segments [Member] | Wine and Spirits [Member]
         
Goodwill [Line Items]          
Purchase accounting allocations     0 110,000,000  
Impairment of goodwill     278,700,000    
Operating Segments [Member] | Wine and Spirits [Member] | Mark West [Member]
         
Goodwill [Line Items]          
Purchase accounting allocations       110,000,000  
Operating Segments [Member] | Beer [Member]
         
Goodwill [Line Items]          
Purchase accounting allocations     3,702,800,000 0  
Impairment of goodwill     0    
Operating Segments [Member] | Beer [Member] | Beer Business Acquisition [Member]
         
Goodwill [Line Items]          
Purchase accounting allocations     3,702,800,000    
Consolidation and Eliminations [Member]
         
Goodwill [Line Items]          
Purchase accounting allocations     13,000,000 0  
Impairment of goodwill     0    
Consolidation and Eliminations [Member] | Beer Business Acquisition [Member]
         
Goodwill [Line Items]          
Purchase accounting allocations     $ 13,000,000