Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details Textual 1)

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Fair Value of Financial Instruments (Details Textual 1) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Nov. 30, 2019
Aug. 31, 2019
Nov. 30, 2018
Nov. 30, 2019
Nov. 30, 2018
Feb. 28, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of assets held for sale $ 390.0   $ 0.0 $ 417.0 $ 0.0  
Assets held for sale, carrying value 562.5     562.5   $ 0.0
Trademarks, carrying value 2,721.3     2,721.3   $ 3,198.1
Operating Segments [Member] | Disposal Group, Not Discontinued Operations [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of assets held for sale 390.0     417.0    
Assets held for sale, carrying value 562.5     562.5    
Operating Segments [Member] | Wine and Spirits [Member] | Disposal Group, Not Discontinued Operations [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Assets held for sale, carrying value 495.6     495.6    
Operating Segments [Member] | Beer [Member] | Disposal Group, Not Discontinued Operations [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Assets held for sale, carrying value 66.9     66.9    
Nonrecurring [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of assets held for sale 390.0     417.0    
Nonrecurring [Member] | Trademarks [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of trademarks 0.0     11.0    
Nonrecurring [Member] | Operating Segments [Member] | Wine and Spirits [Member] | Wine and Spirits Transaction [Member] | Disposal Group, Not Discontinued Operations [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of assets held for sale   $ 27.0        
Nonrecurring [Member] | Operating Segments [Member] | Wine and Spirits [Member] | New Wine and Spirits Transactions [Member] | Disposal Group, Not Discontinued Operations [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of assets held for sale 340.0     367.0    
Assets held for sale, carrying value 1,292.9     1,292.9    
Assets held for sale, estimated fair value 949.6     949.6    
Nonrecurring [Member] | Operating Segments [Member] | Beer [Member] | Trademarks [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Trademarks, carrying value   28.0        
Trademarks, estimated fair value   17.0        
Impairment of trademarks   $ 11.0        
Nonrecurring [Member] | Operating Segments [Member] | Beer [Member] | Ballast Point Transaction [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of assets held for sale 50.0     50.0    
Assets held for sale, carrying value 81.3     81.3    
Assets held for sale, estimated fair value $ 40.0     40.0    
Nonrecurring [Member] | Operating Segments [Member] | Beer [Member] | Ballast Point Transaction [Member] | Trademarks [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment of trademarks       $ 11.0