Schedule II (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Provision For Bad Debts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 0.4	$ 1.0	$ 1.4
Additions charged to earnings	0.4	0.1	0.4
Deductions	(0.4)	(0.7)	(0.8)
Balance at end of year	0.4	0.4	1.0
Provision For Discounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	2.1	1.7	1.3
Additions charged to earnings	26.4	24.4	21.7
Deductions	(26.4)	(24.0)	(21.3)
Balance at end of year	2.1	2.1	1.7
Provision For Warranties [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	0.7	0.8	0.9
Additions charged to earnings	5.4	5.6	3.9
Deductions	(5.7)	(5.7)	(4.0)
Balance at end of year	0.4	0.7	0.8
Provision For Inventory Obsolescence [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	0.3	0.2	0.0
Additions charged to earnings	0.0	0.2	0.3
Deductions	(0.3)	(0.1)	(0.1)
Balance at end of year	$ 0.0	$ 0.3	$ 0.2