CONDENSED CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 286,327	$ 262,168	$ 585,066	$ 526,568
Cost of revenue (exclusive of depreciation, shown separately below)	151,142	138,134	306,163	276,552
Other operating expenses:
Research and development	36,645	34,630	72,109	67,611
Selling, general and administrative	62,686	57,465	121,833	114,807
Depreciation	5,573	5,651	11,293	11,789
Restructuring and reorganization charges	2,075	19,005	7,269	32,111
Total operating expenses	258,121	254,885	518,667	502,870
Operating income	28,206	7,283	66,399	23,698
Other income (expense):
Interest expense	(7,837)	(2,686)	(15,056)	(5,958)
Interest and investment income, net	772	126	1,341	256
Loss on derivative liability upon debt conversion	0	0	0	(7,456)
Other, net	(1,428)	2,442	(3,860)	3,254
Total other	(8,493)	(118)	(17,575)	(9,904)
Income before income taxes	19,713	7,165	48,824	13,794
Income tax provision	(5,759)	(1,848)	(13,942)	(2,364)
Net income	$ 13,954	$ 5,317	$ 34,882	$ 11,430
Weighted-average shares outstanding:
Basic	30,629	31,301	30,524	31,358
Diluted	30,726	31,492	30,668	31,651
Earnings per common share:
Basic	$ 0.46	$ 0.17	$ 1.14	$ 0.36
Diluted	$ 0.45	$ 0.17	$ 1.14	$ 0.36