CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Total revenue, net	$ 385,191	$ 386,861	$ 1,159,644	$ 1,136,924
Costs and expenses:
Cost of goods sold	148,445	144,468	439,418	441,558
Research and development	24,736	25,831	74,410	68,326
Selling, general and administrative	143,820	156,010	464,397	475,195
Intangible asset amortization	3,141	4,113	10,339	12,838
Total costs and expenses	320,142	330,422	988,564	997,917
Operating income	65,049	56,439	171,080	139,007
Interest income	3,264	1,786	6,606	5,298
Interest expense	(12,809)	(12,192)	(36,700)	(38,270)
Gain (loss) from the sale of businesses	644	(230)	644	41,967
Other income, net	2,648	4,985	8,056	14,888
Income before income taxes	58,796	50,788	149,686	162,890
Provision for income taxes	8,881	7,559	22,082	39,199
Net income	$ 49,915	$ 43,229	$ 127,604	$ 123,691
Net income per share
Basic (in dollars per share)	$ 0.60	$ 0.51	$ 1.54	$ 1.46
Diluted (in dollars per share)	$ 0.60	$ 0.51	$ 1.53	$ 1.45
Weighted average common shares outstanding (See Note 13):
Basic (in shares)	83,042	84,754	82,955	84,647
Diluted (in shares)	83,399	85,447	83,476	85,391
Comprehensive income (See Note 14)	$ 55,691	$ 46,417	$ 165,320	$ 150,975