Derivatives and Hedging (Details) - USD ($) $ in Millions		12 Months Ended
	Jan. 18, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 31, 2016	Jul. 31, 2015
5.125% Senior Notes Due August 1, 2031 | Senior notes
Derivative fair values
Repayments of debt	$ 125.0
Interest rate	5.125%
Amortization expense				$ 1.3
Interest Expense
Derivative fair values
Gain (loss) reclassified from AOCI to interest expense		$ 3.6	$ 3.4	4.6
Amount reclassified within twelve months		3.9
Accumulated other comprehensive income
Derivative fair values
Stockholders' equity		(7.1)	$ (9.8)	$ (12.3)	$ (15.6)
Treasury rate lock | Accumulated other comprehensive income
Derivative fair values
Stockholders' equity		$ (7.1)
Treasury rate lock | Designated as a hedge
Derivative fair values
Notional amount							$ 300.0
Fair value of derivative						$ (34.4)