Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investments (Details)

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Equity Method Investments (Details) - USD ($)
$ in Millions
Nov. 30, 2018
Nov. 01, 2018
Feb. 28, 2018
Nov. 30, 2017
Schedule of Equity Method Investments [Line Items]        
Equity method investments $ 3,583.0   $ 121.5 $ 118.9
Canopy Equity Method Investment [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity method investments $ 3,435.2   $ 0.0  
Equity method investment, ownership percentage 36.00% 36.60% 0.00%  
Other equity method investments [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity method investments $ 147.8   $ 121.5  
Other equity method investments [Member] | Minimum [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity method investment, ownership percentage 20.00%   20.00%  
Other equity method investments [Member] | Maximum [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity method investment, ownership percentage 50.00%   50.00%