Revenue Recognition (Contract Assets and Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Revenue Recognition [Abstract]
Receivables from contracts with customers, net	$ 600.1		$ 693.4
Contract Asset (Current)	23.7		24.1
Contract Asset (Long-Term)	3.9		2.7
Contract Liability (Current)	44.8		45.2
Contract Liability (Long-Term)	74.4		$ 74.7
Amounts included in contract liability at the beginning of the period	11.4	$ 10.3
Performance obligations satisfied in previous periods	3.4	0.6
Contract assets reclassified to receivables	$ 16.7	$ 13.2