XML 287 R110.htm IDEA: XBRL DOCUMENT v3.20.1
DEBT FACILITIES - Long-term Debt (Details)
Mar. 31, 2020
CAD ($)
Mar. 31, 2020
USD ($)
Apr. 01, 2019
CAD ($)
Mar. 31, 2019
CAD ($)
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt $ 206,200,000 [1]   $ 295,900,000 $ 264,100,000
Long-term debt 3,106,000,000 [1]   $ 2,298,200,000 2,064,200,000
U.S. dollar, fixed rate - 3.60% to 4.90%        
Disclosure of detailed information about borrowings [line items]        
Notional amount   $ 975,000,000.0    
Current portion of long-term debt 0     80,100,000
Long-term debt $ 1,370,400,000     1,163,100,000
U.S. dollar, fixed rate - 3.60% to 4.90% | Bottom of range        
Disclosure of detailed information about borrowings [line items]        
Borrowings, interest rate 3.60% 3.60%    
U.S. dollar, fixed rate - 3.60% to 4.90% | Top of range        
Disclosure of detailed information about borrowings [line items]        
Borrowings, interest rate 4.90% 4.90%    
Canadian dollar, fixed rate - 4.15%        
Disclosure of detailed information about borrowings [line items]        
Borrowings, interest rate 4.15% 4.15%    
Notional amount $ 30,000,000.0      
Current portion of long-term debt 0     45,000,000
Long-term debt 30,000,000     30,000,000
Canadian dollar, variable rate        
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt 0     50,000,000
Long-term debt 0     0
U.S. dollar, variable rate        
Disclosure of detailed information about borrowings [line items]        
Notional amount   $ 183,100,000.0    
Current portion of long-term debt 79,700,000     8,000,000
Long-term debt 177,100,000     259,200,000
Canadian dollar, variable rate        
Disclosure of detailed information about borrowings [line items]        
Notional amount 46,500,000.0      
Current portion of long-term debt 5,600,000     5,600,000
Long-term debt 40,700,000     46,300,000
Other        
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt 8,200,000     8,400,000
Long-term debt 7,900,000     24,800,000
U.S. dollar        
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt 91,700,000     61,400,000
Long-term debt 214,400,000     179,300,000
Other        
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt 21,000,000     1,400,000
Long-term debt 160,700,000     17,200,000
Canadian dollar        
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt 0     4,200,000
Long-term debt 391,500,000     344,300,000
U.S. dollar, variable rate        
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt 0     0
Long-term debt 423,300,000     0
Canadian dollar, variable rate        
Disclosure of detailed information about borrowings [line items]        
Current portion of long-term debt 0     0
Long-term debt $ 290,000,000     $ 0
[1] Refer to Note 2 - Changes in accounting policies for the impact of adopting IFRS16.