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Supplemental Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Supplemental Financial Information [Abstract]
Unrecognized tax benefits (inclusive of interest and penalties)	$ 146.3	$ 224.0
Pension and other post-retirement benefits	135.2	141.6
Noncurrent contract liabilities (deferred revenue)	63.0	37.6
Lease liabilities	42.5	48.9
Other	21.4	19.6
Other liabilities	$ 408.4	$ 471.7

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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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