Segment Information - Sales by Product Group (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	$ 2,893.2	$ 2,949.8	$ 2,886.9
Operating Segments
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	2,893.2	2,949.8	2,887.2
Operating Segments | Proprietary Products
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	2,334.5	2,397.3	2,406.8
Operating Segments | Contract-Manufactured Products
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	558.7	552.5	480.4
Intersegment sales elimination
Segment Reporting, Revenue Reconciling Items [Line Items]
Net sales	$ 0.0	$ 0.0	$ (0.3)