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Contingent Liabilities and Other Matters - Assets and Liabilities Related to Asbestos-related Claims (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Loss Contingencies [Line Items] |  |
Liabilities for claims | $ 535.2 | $ 552.2
Other Long Term Liabilities |  |
Loss Contingencies [Line Items] |  |
Accruals included in other long-term liabilities | 499.8 | 517.6
Asbestos Related Claims |  |
Loss Contingencies [Line Items] |  |
Insurance recovery assets | 496.4 | 509.6
Asbestos Related Claims | Other assets |  |
Loss Contingencies [Line Items] |  |
Insurance recovery assets, noncurrent | 446.4 | 459.6
Asbestos Related Claims | Other Long Term Liabilities |  |
Loss Contingencies [Line Items] |  |
Accruals included in other long-term liabilities | $ 479.9 | $ 498.1

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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- Definition Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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