Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details 1)

v3.20.2
Fair Value of Financial Instruments (Details 1) - USD ($)
$ in Millions
3 Months Ended
May 31, 2020
May 31, 2019
Feb. 29, 2020
Fair Value, Net Asset (Liability) [Abstract]      
Debt securities $ 809.5   $ 1,117.1
Debt and Equity Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract]      
Unrealized net gain (loss) on securities measured at fair value (197.3) $ (827.5)  
Warrant [Member] | November 2017 Canopy Warrants [Member]      
Debt and Equity Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract]      
Unrealized net gain (loss) on securities measured at fair value (61.8) (134.1)  
Warrant [Member] | New November 2018 Canopy Warrants [Member]      
Debt and Equity Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract]      
Unrealized net gain (loss) on securities measured at fair value (123.0)    
Warrant [Member] | November 2018 Canopy Warrants [Member]      
Debt and Equity Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract]      
Unrealized net gain (loss) on securities measured at fair value   (660.8)  
Convertible debt securities [Member]      
Debt and Equity Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract]      
Unrealized net gain (loss) on securities measured at fair value (12.5) $ (32.6)  
Recurring [Member] | Foreign currency contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 11.2   96.3
Derivative liability 113.2   34.4
Recurring [Member] | Commodity derivative contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 1.6   0.6
Derivative liability 57.8   40.9
Recurring [Member] | Interest rate swap contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability 0.6   0.8
Recurring [Member] | Treasury lock contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability     7.6
Recurring [Member] | Equity securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Equity securities 693.4   991.5
Recurring [Member] | Convertible debt securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Debt securities 116.1   125.6
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Foreign currency contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 0.0   0.0
Derivative liability 0.0   0.0
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Commodity derivative contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 0.0   0.0
Derivative liability 0.0   0.0
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Interest rate swap contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability 0.0   0.0
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Treasury lock contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability     0.0
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Equity securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Equity securities 0.0   0.0
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Convertible debt securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Debt securities 0.0   0.0
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign currency contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 11.2   96.3
Derivative liability 113.2   34.4
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Commodity derivative contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 1.6   0.6
Derivative liability 57.8   40.9
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest rate swap contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability 0.6   0.8
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Treasury lock contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability     7.6
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Equity securities 693.4   991.5
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Convertible debt securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Debt securities 116.1   125.6
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Foreign currency contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 0.0   0.0
Derivative liability 0.0   0.0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Commodity derivative contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative asset 0.0   0.0
Derivative liability 0.0   0.0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Interest rate swap contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability 0.0   0.0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Treasury lock contracts [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Derivative liability     0.0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Equity securities 0.0   0.0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Convertible debt securities [Member]      
Fair Value, Net Asset (Liability) [Abstract]      
Debt securities $ 0.0   $ 0.0