Stock-Based Compensation Plans - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Sep. 30, 2022	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 131.5				$ 131.5
Grant date and recognized in compensation expense over (in year)				4 years 3 months 18 days
Continuing Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 14.5		$ 11.9		$ 28.6	$ 24.0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock for stock-based compensation plans (in shares)				300,000
Award expiration period (in years)					10 years
Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting/performance period (in years)					4 years
Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting/performance period (in years)					5 years
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting/performance period (in years)		3 years		5 years
Volume-weighted average closing (in days)				60 days
Closing price per share (in usd per share)				$ 81.85