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SUPPLEMENTARY CASH FLOWS INFORMATION (Tables)
 12 Months Ended
Mar. 31, 2023
Cash Flow Statement [Abstract]  
Analysis of Non-Cash Working Capital
Changes in non-cash working capital are as follows:
20232022
Cash provided by (used in) non-cash working capital:
Accounts receivable$4.1 $34.2 
Contract assets(66.6)(49.3)
Inventories(65.6)107.3 
Prepayments(9.7)(5.6)
Income taxes (13.2)(11.5)
Accounts payable and accrued liabilities21.8 (24.6)
Provisions(15.3)(25.8)
Contract liabilities30.0 (2.2)
$(114.5)$22.5 
Supplemental Cash Flow Information
Supplemental information:
 20232022
Interest paid $174.7 $93.8
Interest received 13.3 13.1 
Income taxes paid 34.7 44.5