Revenue Recognition Contract Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue Recognition [Abstract]
Receivables from contracts with customers, net	$ 762.0	$ 634.5	$ 539.9
Contract Asset (Current)	23.1	27.7	30.4
Contract Asset (Long-Term)	3.2	8.6	14.2
Contract Liability (Current)	42.5	41.8	33.6
Contract Liability (Long-Term)	70.6	66.6	60.5
Revenue amounts included in contract liability at the beginning of the period	35.0	33.6	32.1
Revenue for performance obligations satisfied in previous periods	0.0	2.1	$ 19.4
Contract assets reclassified to receivables	$ 29.1	$ 30.5