Segment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 686.9	$ 706.5	$ 2,178.2	$ 2,100.8
Operating profit	186.2	181.4	604.3	568.3
Stock-based compensation expense			(17.0)	(27.5)
Interest expense (income) and other nonoperating expense (income), net	50.0	0.3	53.1	1.3
Income before income taxes	136.2	181.1	551.2	567.0
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	203.3	212.3	663.9	646.2
Intersegment sales elimination
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	(0.1)	(0.2)	(0.3)	(0.4)
Corporate and Unallocated
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating profit	(17.1)	(30.9)	(59.6)	(77.9)
Stock-based compensation expense	(6.0)	(11.4)	(17.0)	(27.5)
Corporate general costs	(10.9)	(18.1)	(43.6)	(45.5)
Restructuring and related charges	0.0	(0.3)	1.6	(2.5)
Amortization of acquisition-related intangible assets	(0.2)	(0.2)	(0.6)	(0.6)
Cost investment activity	0.0	(0.9)	0.0	(1.8)
Proprietary Products | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	567.0	577.0	1,822.0	1,708.0
Operating profit	188.6	195.5	615.9	594.3
Contract-Manufactured Products | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	120.0	129.7	356.5	393.2
Operating profit	$ 14.7	$ 16.8	$ 48.0	$ 51.9