XML 59 R42.htm IDEA: XBRL DOCUMENT v3.22.4
Investment Tax Credits
12 Months Ended
Dec. 31, 2022
Investment Tax Credits [Abstract]  
Investment Tax Credits Investment Tax CreditsInvestment tax credits, arising from qualifying scientific research and experimental development efforts pursuant to existing tax legislation, are recorded as a reduction of administrative and marketing expenses when there is reasonable assurance of their ultimate realization. In 2022, investment tax credits of $9.9 (2021 – $7.7) were recorded.