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Supplemental Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Supplemental Financial Information [Abstract]
Unrecognized tax benefits (inclusive of interest and penalties)	$ 134.5	$ 128.3
Pension and other post-retirement benefits	96.5	106.5
Operating Lease, Liability, Noncurrent	43.5	56.9
Noncurrent contract liabilities (deferred revenue)	57.8	71.4
Other	24.9	20.1
Other liabilities	357.2	383.2
Accrued claims	$ 16.1	$ 39.5

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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