Annual report pursuant to Section 13 and 15(d)

Equity Method Investments - Narrative (Details)

v3.23.1
Equity Method Investments - Narrative (Details)
$ / shares in Units, $ in Millions, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 28, 2023
USD ($)
Apr. 20, 2023
CAD ($)
May 31, 2020
USD ($)
May 31, 2020
CAD ($)
$ / shares
Feb. 28, 2023
CAD ($)
Aug. 31, 2023
CAD ($)
Feb. 29, 2024
CAD ($)
Feb. 28, 2023
USD ($)
Feb. 28, 2022
USD ($)
Feb. 28, 2021
USD ($)
Apr. 30, 2023
Oct. 31, 2022
Schedule of Equity Method Investments [Line Items]                        
Unrealized net gain (loss) on securities measured at fair value               $ (45.9) $ (1,644.7) $ 802.0    
Payments to acquire investments $ 3,121.1                      
Net Gain (Loss) Recognized in Income (Loss)               (34.8) 93.2 7.7    
Income (loss) before income taxes               $ 383.6 310.4 2,542.9    
Subsequent Event | 2023 Canopy Promissory Note | Unsecured debt                        
Schedule of Equity Method Investments [Line Items]                        
Coupon rate of notes                     4.25%  
Minimum | Canopy equity method investment                        
Schedule of Equity Method Investments [Line Items]                        
Income (loss) before income taxes         $ 425.0              
Minimum | Forecast | Canopy equity method investment                        
Schedule of Equity Method Investments [Line Items]                        
Income (loss) before income taxes           $ 425.0            
Maximum | Canopy equity method investment                        
Schedule of Equity Method Investments [Line Items]                        
Income (loss) before income taxes         $ 525.0              
Maximum | Forecast | Canopy equity method investment                        
Schedule of Equity Method Investments [Line Items]                        
Income (loss) before income taxes           $ 525.0            
May 2020 Canopy Investment                        
Schedule of Equity Method Investments [Line Items]                        
Payments to acquire investments $ 173.9                      
May 2020 Canopy Investment | Foreign currency contracts                        
Schedule of Equity Method Investments [Line Items]                        
Net Gain (Loss) Recognized in Income (Loss)                   (7.5)    
Acreage                        
Schedule of Equity Method Investments [Line Items]                        
Ownership percentage subject to fixed exchange ratio 100.00%       100.00%     100.00%        
Corporate Investment                        
Schedule of Equity Method Investments [Line Items]                        
Gain on sale of investment                 51.0      
Canopy equity method investment                        
Schedule of Equity Method Investments [Line Items]                        
Equity in earnings (losses) from Canopy and related activities               $ (949.3) $ (73.6) $ (679.0)    
Ownership Percentage 34.70%       34.70%     34.70% 36.10%     100.00%
Canopy equity method investment | Subsequent Event                        
Schedule of Equity Method Investments [Line Items]                        
Debt Securities To Be Exchanged, Maximum   $ 100.0                    
Canopy equity method investment | Minimum | Forecast                        
Schedule of Equity Method Investments [Line Items]                        
Equity in earnings (losses) from Canopy and related activities             $ 145.0          
Canopy equity method investment | Maximum | Forecast                        
Schedule of Equity Method Investments [Line Items]                        
Equity in earnings (losses) from Canopy and related activities             $ 180.0          
Equity securities | May 2020 Canopy Investment                        
Schedule of Equity Method Investments [Line Items]                        
Payments to acquire investments     $ 173.9 $ 245.0                
Warrants | November 2018 Canopy Warrants                        
Schedule of Equity Method Investments [Line Items]                        
Unrealized net gain (loss) on securities measured at fair value               $ (36.1) $ (1,603.4)      
Warrants | May 2020 Canopy Investment                        
Schedule of Equity Method Investments [Line Items]                        
Exercise price of warrants (in CAD per share) | $ / shares       $ 12.98