Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Nonrecurring Basis Measurements (Details)

v3.21.4
Fair Value of Financial Instruments - Nonrecurring Basis Measurements (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets, total losses $ 0.0 $ 0.0 $ 665.9 $ 0.0
Long-lived assets held for sale, total losses 0.0 21.0 0.0 24.0
Nonrecurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets, total losses     665.9  
Long-lived assets held for sale, total losses       24.0
Nonrecurring | Quoted Prices in Active Markets (Level 1)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets 0.0   0.0  
Long-lived assets held for sale   0.0   0.0
Nonrecurring | Significant Other Observable Inputs (Level 2)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets 0.0   0.0  
Long-lived assets held for sale   0.0   0.0
Nonrecurring | Significant Unobservable Inputs (Level 3)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long-lived assets $ 20.0   $ 20.0  
Long-lived assets held for sale   $ 712.4   $ 712.4