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Revenue Recognition Contract Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue Recognition [Abstract]
Receivables from contracts with customers, net	$ 539.9	$ 595.0	$ 662.0
Contract Asset (Current)	30.4	25.7	26.7
Contract Asset (Long-Term)	14.2	10.2	7.0
Contract Liability (Current)	33.6	32.5	32.6
Contract Liability (Long-Term)	60.5	56.0	57.7
Revenue amounts included in contract liability at the beginning of the period	32.1	31.0	35.1
Revenue for performance obligations satisfied in previous periods	19.4	19.0	$ 9.3
Contract assets reclassified to receivables	$ 25.0	$ 26.1
Vehicle Care Program, contract term	5 years

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