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Supplemental Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions	Jun. 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	100.8	106.5
Operating Lease, Liability, Noncurrent	50.9	56.9
Noncurrent contract liabilities (deferred revenue)	68.1	71.4
Other	23.3	20.1
Other liabilities	377.6	383.2
Accrued claims	$ 22.2	$ 39.5

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