Segment Information - Sales by Product Group (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	$ 2,949.8	$ 2,886.9	$ 2,831.6
Operating Segments | Proprietary Products
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	2,397.3	2,406.8	2,317.3
Operating Segments | Contract-Manufactured Products
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	552.5	480.4	514.7
Intersegment sales elimination
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	$ 0.0	$ (0.3)	$ (0.4)