Quarterly Results (Unaudited) - Quarterly Information Footnote (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2021	Oct. 02, 2021	Jul. 03, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 01, 2021
Quarterly Financial Information Disclosure [Line Items]
Actuarial (gains) losses	$ 9.9			$ (6.8)
Recorded charges related to asbestos product liability matters	46.3			19.1	$ 51.2	$ 21.3	$ 10.1
Impairment charges	5.7				0.0	0.4	0.5
Other indefinite-lived intangible assets	0.5
Gain (loss) on disposition of discontinued operations, net of tax					360.7	(3.7)	(4.4)
Discontinued operations
Quarterly Financial Information Disclosure [Line Items]
Income tax provision			$ 33.0		42.8	10.6	1.5
Discontinued operations | Transformer solutions
Quarterly Financial Information Disclosure [Line Items]
Excess tax basis			28.6
Previously unrecognized net operating losses			$ 4.4
Discontinued operations | DBT
Quarterly Financial Information Disclosure [Line Items]
Income tax provision					(2.7)	(2.4)	(7.3)
Gain (loss) on disposition of discontinued operations, net of tax					(19.9)
Discontinued operations, disposed of by sale | Transformer solutions
Quarterly Financial Information Disclosure [Line Items]
Net consideration								$ 620.6
Gain (loss) on disposition of discontinued operations, net of tax	24.5	$ 357.7			382.2
ULC Robotics
Quarterly Financial Information Disclosure [Line Items]
Impairment charges	5.2
Income from continuing operations before income taxes
Quarterly Financial Information Disclosure [Line Items]
Recorded charges related to asbestos product liability matters	44.6			$ 17.0	48.6	19.2	6.3
Gain (Loss) on disposition of discontinued operations, net of tax
Quarterly Financial Information Disclosure [Line Items]
Recorded charges related to asbestos product liability matters	$ 1.7				$ 2.6	$ 2.1	$ 3.8