Earnings per Common Share - Reconciliation of Weighted Average Number of Shares Outstanding (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding (in shares)	99.5	99.2	99.5	99.2
Restricted stock awards, dilutive stock options, and restricted stock units (in shares)	1.6	1.1	1.5	1.0
Diluted weighted average common shares outstanding (in shares)	101.1	100.3	101.0	100.2