XML 190 R147.htm IDEA: XBRL DOCUMENT v3.8.0.1
RELATED PARTY TRANSACTIONS - Outstanding Balances (Details) - CAD ($)
$ in Millions
Mar. 31, 2018
Mar. 31, 2017
Disclosure of transactions between related parties [line items]    
Accounts receivable (Note 4) $ 39.5 $ 54.0
Accounts payable and accrued liabilities (Note 9) 9.7 15.3
Joint ventures    
Disclosure of transactions between related parties [line items]    
Accounts receivable (Note 4) 39.5 54.0
Contracts in progress: assets 14.5 14.2
Other assets 25.4 27.4
Accounts payable and accrued liabilities (Note 9) 9.7 15.3
Contracts in progress: liabilities $ 3.9 $ 25.9