Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details Textual 1)

v3.19.1
Fair Value of Financial Instruments (Details Textual 1) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2019
May 31, 2017
Feb. 28, 2017
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Trademarks, carrying value $ 3,198.1     $ 3,198.1 $ 3,304.8  
Nonrecurring [Member] | Trademarks [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of trademarks       108.0 $ 86.8 $ 46.0
Operating Segments [Member] | Beer [Member] | Nonrecurring [Member] | Trademarks [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Trademarks, carrying value 136.0 $ 222.8   136.0    
Trademarks, estimated fair value 28.0 136.0   $ 28.0    
Impairment of trademarks $ 108.0 $ 86.8        
Operating Segments [Member] | Wine and Spirits [Member] | Trademarks [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Trademarks, carrying value     $ 8.4     8.4
Impairment of trademarks     8.4     8.4
Operating Segments [Member] | Wine and Spirits [Member] | Nonrecurring [Member] | Trademarks [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Trademarks, carrying value     37.6     $ 37.6
Impairment of trademarks     $ 37.6