Commitments, Contingent Liabilities and Other Matters - General (Details) $ in Millions	12 Months Ended
Dec. 31, 2017 USD ($) corporate_entity	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Carrying values of accruals	$ 685.7	$ 653.5
Liabilities for asbestos product liability	641.2	605.6
Payments for asbestos-related matters, net of insurance recoveries	1.0	5.8	$ 6.9
Recorded charges related to asbestos product liability matters	$ 5.7	4.9	11.2
Asbestos Related Claims \| Minimum
Loss Contingencies [Line Items]
Number of corporate entities named defendants \| corporate_entity	50
Other Operating Income (Expense)
Loss Contingencies [Line Items]
Recorded charges related to asbestos product liability matters	$ 3.5	4.2	8.0
Gain (Loss) on Disposition of Discontinued Operations, Net of Tax
Loss Contingencies [Line Items]
Recorded charges related to asbestos product liability matters	2.2	0.7	$ 3.2
Other Long Term Liabilities
Loss Contingencies [Line Items]
Accruals included in other long-term liabilities	651.6	621.0
Other assets \| Asbestos Related Claims
Loss Contingencies [Line Items]
Insurance recovery assets	$ 590.9	$ 564.4

Carrying amount as of the balance sheet date of reserves for the costs of settling insured claims and costs incurred in the claims settlement process attributable to asbestos and environmental claims, before estimated recoveries from reinsurers.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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