XML 122 R88.htm IDEA: XBRL DOCUMENT v3.22.1
Financial Instruments and Risk Management (Credit Risk) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about financial instruments [line items]    
Total financial instrument exposure to credit risk $ 176.5 $ 228.1
Cash and Cash Equivalents [Member]    
Disclosure of detailed information about financial instruments [line items]    
Total financial instrument exposure to credit risk   220.5
Trade receivables [member]    
Disclosure of detailed information about financial instruments [line items]    
Total financial instrument exposure to credit risk $ 4.0 $ 7.6