Segment Information - Segment Results (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Sales	$ 2,569.1	$ 2,508.9	$ 1,929.1
Operating profit (loss)	319.2	306.2	43.5
Other income (expense)	3.1	2.4	(1.0)
Interest expense, net	(38.4)	(54.1)	(62.5)
Income (loss) before income taxes	283.9	254.5	(20.0)
Depreciation and amortization	137.8	117.8	121.7
Capital expenditures, gross	72.1	49.1	43.9
Identifiable assets	6,587.0	6,574.2
Held for sale
Segment Reporting Information [Line Items]
Identifiable assets	0.0	12.2
Other
Segment Reporting Information [Line Items]
Operating profit (loss)	(121.8)	(119.9)	(75.9)
Depreciation and amortization	2.5	2.4	2.4
Capital expenditures, gross	2.7	1.3	1.7
Identifiable assets	656.0	1,117.7
Specialty Products & Technologies
Segment Reporting Information [Line Items]
Sales	1,598.6	1,507.8	1,117.3
Specialty Products & Technologies | Operating segments
Segment Reporting Information [Line Items]
Operating profit (loss)	268.6	272.3	65.8
Depreciation and amortization	80.7	84.0	80.6
Capital expenditures, gross	48.8	37.2	36.4
Identifiable assets	3,475.7	3,498.2
Equipment & Consumables
Segment Reporting Information [Line Items]
Sales	970.5	1,001.1	811.8
Equipment & Consumables | Operating segments
Segment Reporting Information [Line Items]
Operating profit (loss)	172.4	153.8	53.6
Depreciation and amortization	54.6	31.4	38.7
Capital expenditures, gross	20.6	10.6	$ 5.8
Identifiable assets	$ 2,455.3	$ 1,946.1