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Debt - Canadian Credit Facilities (Details)
$ in Millions
Mar. 31, 2022
CAD ($)
Canadian Credit Facility  
Credit Agreements  
Maximum borrowing capacity $ 4.0
Available borrowing capacity 3.3
Canadian Credit Facility | Commercial letters of credit  
Credit Agreements  
Letters of credit outstanding 0.7
Working Capital Credit Facility  
Credit Agreements  
Maximum borrowing capacity 10.0
Available borrowing capacity 10.0
Borrowings outstanding $ 0.0