XML 163 R145.htm IDEA: XBRL DOCUMENT v3.22.2
FINANCIAL RISK MANAGEMENT - Narrative (Details)
$ in Millions, $ in Millions
 12 Months Ended
Mar. 31, 2022
CAD ($)
shares
Mar. 31, 2021
CAD ($)
shares
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Disclosure of detailed information about financial instruments [line items]        
Line of credit facility, maximum borrowing capacity $ 300.0 $ 500.0 $ 850.0 $ 850.0
Accounts receivable, maximum amount available to sell     $ 400.0 400.0
Accounts receivable, amount sold to financial institution 213.9 298.8    
Accounts receivable, amount sold to financial institution, fees $ 21.0 26.4    
Foreign currency rate change, based on weakening of foreign currency 5.00%   5.00%  
Net income (loss) $ 150.0 (47.5)    
Other comprehensive loss $ (13.2) $ (140.1)    
Equity swap agreement, common shares (in shares) | shares 2,700,000 2,500,000    
Letters of credit and guarantees, net $ 216.1 $ 196.2    
Interest rate risk        
Disclosure of detailed information about financial instruments [line items]        
Sensitivity analysis to interest rate change (in percent) 1.00%      
Net income (loss) $ (5.0) (1.7)    
Other comprehensive loss $ 0.0 $ 0.0    
Bottom of range        
Disclosure of detailed information about financial instruments [line items]        
Terms of Indemnifications (in years) 1 year      
Top of range        
Disclosure of detailed information about financial instruments [line items]        
Terms of Indemnifications (in years) 2 years      
Unsecured senior notes, term loans and revolving credit facility        
Disclosure of detailed information about financial instruments [line items]        
Debt     $ 1,132.8 862.8
Gross finance lease obligations     $ 0.0 $ 23.9
Foreign currency and interest rate swap agreements        
Disclosure of detailed information about financial instruments [line items]        
Fixed interest rate (in percent) 75.00% 94.00% 75.00% 94.00%