Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Net income	$ 204.8	$ 168.6	$ 317.0	$ 348.0
Weighted-Average Common Shares Outstanding
Basic	64,532,356	65,531,669	64,663,506	65,630,571
Dilutive equity-based compensation awards	242,484	358,108	259,283	378,144
Diluted	64,774,840	65,889,777	64,922,789	66,008,715
Earnings per common share:
Basic	$ 3.17	$ 2.57	$ 4.9	$ 5.3
Diluted	$ 3.16	$ 2.56	$ 4.88	$ 5.27