Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Impairment of Goodwill and Equity Method Investments (Details)

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Fair Value of Financial Instruments - Impairment of Goodwill and Equity Method Investments (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 31, 2024
USD ($)
Aug. 31, 2023
USD ($)
Aug. 31, 2024
USD ($)
Aug. 31, 2023
USD ($)
May 31, 2023
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Goodwill impairment, total losses $ 2,250.0 $ 0.0 $ 2,250.0 $ 0.0  
Equity method investments, total losses $ 2.1 12.3 $ 2.1 135.8  
Corporate Venture Capital, Equity Method Investments, 8/23 Impairment          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Equity method investments, carrying value   14.9   14.9  
Equity method investments   2.6   2.6  
Equity method investments, total losses   $ 12.3   12.3  
Canopy Equity Method Investment          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Equity method investments, carrying value         $ 266.2
Equity method investments         $ 142.7
Equity method investments, total losses       $ 123.5  
Discount rate | Discounted cash flow method          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Discounted cash flow calculation assumptions 0.09   0.09    
Expected long-term growth rate | Discounted cash flow method          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Discounted cash flow calculation assumptions 0.015   0.015    
Operating Segments | Wine and Spirits          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Goodwill impairment, total losses $ 2,250.0   $ 2,250.0