CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 3,180.0	$ 2,761.3	$ 3,074.5
Operating costs and expenses:
Cost of sales	1,939.0	1,796.2	1,942.2
Selling, general and administrative	755.6	680.3	678.6
Restructuring (gains) charges, net	(16.9)	31.7	17.5
Acquisition-related and integration charges	0.0	12.9	5.2
Asbestos provision, net	0.0	0.0	229.0
Environmental provision, net	0.0	0.0	18.9
Operating profit	502.3	240.2	183.1
Other income (expense):
Interest income	1.4	2.0	2.7
Interest expense	(46.9)	(55.3)	(46.8)
Miscellaneous income, net	20.5	14.9	4.9
Total other expense	(25.1)	(38.4)	(39.2)
Income from continuing operations before income taxes	477.2	201.8	143.9
Provision for income taxes	82.9	38.6	31.3
Net income from continuing operations before allocation to noncontrolling interests	394.3	163.2	112.6
Less: Noncontrolling interest in subsidiaries’ earnings	0.0	0.1	0.3
Net income from continuing operations attributable to common shareholders	394.3	163.1	112.3
Income from discontinued operations, net of tax	41.1	17.9	21.0
Net income attributable to common shareholders	$ 435.4	$ 181.0	$ 133.3
Earnings per basic share:
Earnings per basic share from continuing operations (in dollars per share)	$ 6.76	$ 2.79	$ 1.88
Earnings per basic share from discontinued operations (in dollars per share)	0.70	0.31	0.35
Earnings per basic share (in dollars per share)	7.46	3.10	2.23
Earnings per diluted share:
Earnings per diluted share from continuing operations (in dollars per share)	6.66	2.77	1.85
Earnings per diluted share from discontinued operations (in dollars per share)	0.70	0.31	0.35
Earnings per diluted share (in dollars per share)	$ 7.36	$ 3.08	$ 2.20
Weighted average basic shares outstanding (in shares)	58.4	58.3	59.8
Weighted average diluted shares outstanding (in shares)	59.2	58.8	60.6