Earnings Per Share - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	May 05, 2021	Aug. 12, 2015
Earnings Per Share [Abstract]
Stock Repurchase Program, Authorized Amount					$ 300.0	$ 50.0
Stock Repurchase Program, Increase of Authorized Amount					$ 250.0
Antidilutive securities excluded from computation of earnings per share (shares)	0	0	0	4,000
Stock Repurchased During Period, Shares	457,244	854,002	1,280,857	1,976,857
Repurchase and retirement of common stock	$ 25.9	$ 40.7	$ 76.6	$ 88.1