Common Stock and Stock-Based Compensation Stock-based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 6.7	$ 5.9	$ 4.7	$ 6.1	$ 6.5	$ 6.2	$ 17.3	$ 18.8
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period							10 years
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Granted							444,238
Weighted Average Grant-Date Fair Value per Award							$ 30.57
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period							1 year
Number of Shares Granted							15,903
Weighted Average Grant-Date Fair Value per Award							$ 30.75
Performance units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period							3 years
Number of Shares Granted							241,212
Weighted Average Grant-Date Fair Value per Award							$ 29.56
Minimum | Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period							3 years
Maximum | Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period							4 years