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Supplemental Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
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Supplemental Financial Information [Abstract] |  |
Unrecognized tax benefits (inclusive of interest and penalties) | $ 271.0 | $ 320.2
Pension and other post-retirement benefits | 189.8 | 204.0
Other | 79.0 | 56.9
Other liabilities | $ 539.8 | $ 581.1

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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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