Other (Income) Expense, Net (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended								12 Months Ended
	Oct. 30, 2019	Dec. 31, 2018	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	May 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on derecognition of subsidiary	$ 177.0										$ 177.0	$ 0.0	$ 0.0
Restructuring expense			$ 31.0	$ 14.0	$ 13.0	$ 14.0	$ 23.0	$ 6.0	$ 31.0	$ 8.0	72.0	67.0	58.0
Unfavorable arbitration loss											14.0	0.0	0.0
Merger, acquisition and divestiture expense							1.0	2.0	1.0	2.0	11.0	6.0	10.0
Asset impairment and loss on divestiture							26.0				7.0	25.0	71.0
Asbestos-related adjustments							23.0				0.0	23.0	0.0
Gain on sale of building							(19.0)				0.0	(19.0)	0.0
Lease termination settlement											0.0	0.0	5.0
Gain on commercial settlement										(4.0)	0.0	(4.0)	0.0
Other income											(2.0)	(4.0)
Other (income) expense, net			$ (138.0)	$ 18.0	$ 16.0	$ 29.0	$ 52.0	$ 7.0	$ 30.0	$ 5.0	$ (75.0)	$ 94.0	$ 144.0
Proceeds from Divestiture of Businesses		$ 28.0
Morse TEC [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity interest acquired by Enstar (percent)	100.00%
Romeo Systems Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest (percent)														20.00%