Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details 2)

v3.8.0.1
Fair Value of Financial Instruments (Details 2) - Nonrecurring [Member] - Trademarks [Member] - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2018
Feb. 28, 2017
May 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks, Total Losses $ 86.8 $ 46.0  
Quoted Prices in Active Markets (Level 1) [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks   0.0 $ 0.0
Significant Other Observable Inputs (Level 2) [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks   0.0 0.0
Significant Unobservable Inputs (Level 3) [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trademarks   $ 0.0 $ 136.0