Segment Information - Segment Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Operating Profit	$ 752.3	$ 406.9	$ 296.6
Stock-based compensation expense	(37.5)	(34.0)	(24.4)
Amortization of acquisition-related intangible assets	(5.4)	(4.4)	(3.4)
Asset-related charges	0.0	0.0	(0.3)
Tax recovery	0.0	0.0	4.7
Other expense/(income), net	3.4	5.6	4.8
Total income before income taxes	748.9	401.3	291.8
Impairment of cost method investments	4.6	2.5
Assets	3,313.8	2,793.8
Depreciation and Amortization	122.3	109.1	103.4
Capital Expenditures	253.4	174.4	126.4
Foreign exchange transaction gains	(1.4)	(1.5)	(4.6)
Second Quarter 2020 Acquisiiton
Segment Reporting Information [Line Items]
Amortization of acquisition-related intangible assets	(0.8)	(0.6)
Operating Segments
Segment Reporting Information [Line Items]
Operating Profit	863.3	503.1	362.7
Tax recovery			4.4
Corporate and Unallocated
Segment Reporting Information [Line Items]
Operating Profit	(111.0)	(96.2)	(66.1)
Stock-based compensation expense	(37.5)	(34.0)	(24.4)
Corporate general costs	(63.4)	(52.1)	(41.9)
Restructuring charges	(2.2)	(7.0)	(4.9)
Amortization of acquisition-related intangible assets	(0.8)	(0.6)	0.0
Asset-related charges	(2.8)	0.0	0.0
Cost investment activity	(4.3)	(2.5)	0.0
Gain on restructuring-related sale of assets	0.0	0.0	1.7
Argentina currency devaluation	0.0	0.0	(1.0)
Tax recovery	0.0	0.0	4.4
Impairment of cost method investments	4.6
Gain on sale of investments	0.3
Assets	717.5	583.9
Depreciation and Amortization	7.4	4.1	3.3
Capital Expenditures	8.8	9.9	1.6
Corporate and Unallocated | Cost of goods and services sold
Segment Reporting Information [Line Items]
Asset-related charges	(1.9)
Corporate and Unallocated | Selling, General and Administrative Expenses
Segment Reporting Information [Line Items]
Asset-related charges	(0.9)
Proprietary Products | Operating Segments
Segment Reporting Information [Line Items]
Operating Profit	796.1	434.5	313.6
Assets	2,152.6	1,798.3
Depreciation and Amortization	93.8	84.6	82.2
Capital Expenditures	218.0	139.5	88.7
Contract-Manufactured Products | Operating Segments
Segment Reporting Information [Line Items]
Operating Profit	67.2	68.6	49.1
Assets	443.7	411.6
Depreciation and Amortization	21.1	20.4	17.9
Capital Expenditures	$ 26.6	$ 25.0	$ 36.1