Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for Doubtful Accounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 3.7	$ 2.4	$ 3.1
Additions, Charged to Expenses	0.6	1.4	0.4
Additions, Acquired	1.9	0.0	0.0
Deductions, Amounts Written Off	(0.7)	(0.1)	(1.1)
Foreign Exchange	0.0	0.0	0.0
Ending Balance	5.5	3.7	2.4
Allowance for Cash Discounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning Balance	6.0	5.1	5.0
Additions, Charged to Expenses	98.4	96.0	86.9
Additions, Acquired	0.0	0.4	0.0
Deductions, Amounts Written Off	(98.5)	(95.5)	(86.8)
Foreign Exchange	0.0	0.0	0.0
Ending Balance	5.9	6.0	5.1
Sales Returns and Allowances
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning Balance	24.5	13.0	12.1
Additions, Charged to Expenses	129.4	110.9	97.2
Additions, Acquired	0.0	0.4	0.0
Deductions, Amounts Written Off	(121.5)	(99.8)	(96.4)
Foreign Exchange	0.0	0.0	0.1
Ending Balance	$ 32.4	$ 24.5	$ 13.0