Net Income Per Common Share - Summary of Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Basic net income per common share:
Net income	$ 132.1	$ 105.7	$ 126.3
Weighted average common shares outstanding - Basic (in shares)	82.3	84.6	84.4
Basic net income per common share	$ 1.61	$ 1.25	$ 1.5
Diluted net income per common share:
Weighted average common shares outstanding - Basic (in shares)	82.3	84.6	84.4
Plus incremental shares from assumed conversions:
Weighted average common shares outstanding -Dilutive (in shares)	83.0	85.5	85.0
Dilutive net income per common share	$ 1.59	$ 1.24	$ 1.49
Anti-dilutive shares outstanding, excluded from computation (in shares)	0.9	0.3	0.8
Restricted Stock Units
Plus incremental shares from assumed conversions:
Incremental shares from assumed conversions	0.4	0.5	0.4
Stock Options
Plus incremental shares from assumed conversions:
Incremental shares from assumed conversions	0.3	0.4	0.2