Earnings Per Common Share - Schedule of Basic Weighted Average Shares Reconciles to Diluted Weighted Average Shares Outstanding (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding (in shares)	75.6	75.4	75.6	75.8
Dilutive effect of restricted stock, performance share units and stock options (in shares)	0.3	0.4	0.3	0.3
Diluted weighted average common shares outstanding (in shares)	75.9	75.8	75.9	76.1