Revenues, Recognition and Allowances - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) segment transaction_type product	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Disaggregation of Revenue [Line Items]
Types of transactions | transaction_type	3
Segments | segment	1
Allowance for doubtful accounts	$ 2.7		$ 2.4
Allowance for doubtful accounts related to one customer	$ 1.7		1.7
Accounts receivable, terms of customer credit	100 days
Percentage of net sales for royalty	40.00%
Royalty expense	$ 0.3	$ 0.1
United States
Disaggregation of Revenue [Line Items]
Products manufactured, marketed and distributed | product	4
Net Of SRA Balance
Disaggregation of Revenue [Line Items]
Accounts receivable	$ 31.2		$ 28.9