Summary of Significant Accounting Policies, Revenue Recognition (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue Recognition [Abstract]
Sales returns	$ 52.1	$ 49.5	$ 52.2
Allowance for Product Returns [Member]
Revenue Recognition [Abstract]
Accrued reserve	$ 3.5	$ 4.0