Shareholders' Equity - Share Repurchase and Dividends (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	May 31, 2021	May 31, 2019
May 2019 Repurchase Program
Shareholders' Equity
Amount approved for repurchase of common stock				$ 300.0
Common stock repurchased during the period (in shares)		530,729
Aggregate cost of common stock repurchased during the period		$ 32.8
May 2021 Repurchase Program
Shareholders' Equity
Amount approved for repurchase of common stock			$ 500.0
Common stock repurchased during the period (in shares)	1,603,055
Aggregate cost of common stock repurchased during the period	$ 105.6
Remaining authorization amount for repurchase of common stock	$ 275.5