Quarterly report pursuant to Section 13 or 15(d)

Canopy and Related Transactions (Details Textual)

v3.10.0.1
Canopy and Related Transactions (Details Textual)
1 Months Ended
Aug. 31, 2018
CAD ($)
shares
Aug. 31, 2018
USD ($)
Nov. 30, 2017
CAD ($)
Nov. 30, 2017
USD ($)
Sep. 30, 2018
CAD ($)
Sep. 30, 2018
USD ($)
Aug. 31, 2018
USD ($)
shares
Feb. 28, 2018
USD ($)
Subsequent Event [Line Items]                
Debt instrument, face amount             $ 2,000,000,000.0  
Foreign currency option contracts, protection rate $ 1.2873           1.0000  
Not designated as hedging instrument [Member] | Foreign currency contracts [Member]                
Subsequent Event [Line Items]                
Aggregate notional value of derivative instruments 4,100,000,000           3,439,500,000 $ 440,600,000
Not designated as hedging instrument [Member] | Interest rate swap contracts [Member]                
Subsequent Event [Line Items]                
Aggregate notional value of derivative instruments             1,250,000,000 $ 0
Senior credit facility, Revolving credit loans [Member]                
Subsequent Event [Line Items]                
Debt instrument, face amount             $ 1,500,000,000  
Subsequent event [Member] | Bridge financing [Member]                
Subsequent Event [Line Items]                
Debt instrument, face amount         $ 3,143,000,000 $ 2,400,000,000    
Subsequent event [Member] | Senior credit facility, Revolving credit loans [Member]                
Subsequent Event [Line Items]                
Debt instrument, face amount           2,000,000,000.0    
Subsequent event [Member] | Term loan facilities [Member] | Term Credit Agreement [Member]                
Subsequent Event [Line Items]                
Debt instrument, face amount           1,500,000,000    
Subsequent event [Member] | Term loan facilities [Member] | Three-Year Term Facility [Member]                
Subsequent Event [Line Items]                
Debt instrument, face amount           500,000,000    
Subsequent event [Member] | Term loan facilities [Member] | Five-Year Term Facility [Member]                
Subsequent Event [Line Items]                
Debt instrument, face amount           $ 1,000,000,000    
Equity securities [Member]                
Subsequent Event [Line Items]                
Estimated payment to acquire investments $ 5,100,000,000 $ 4,000,000,000 $ 245,000,000 $ 191,300,000        
Common Stock [Member]                
Subsequent Event [Line Items]                
Number of common shares to be acquired | shares 104,500,000           104,500,000  
Warrant [Member]                
Subsequent Event [Line Items]                
Number of common shares to be acquired upon exercise of warrants | shares 139,700,000           139,700,000