CONDENSED CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue	$ 295,143	$ 286,868	$ 880,596	$ 871,934
Cost of revenue (exclusive of depreciation, shown separately below)	149,487	152,734	460,266	458,897
Other operating expenses:
Research and development	41,665	35,292	116,171	107,401
Selling, general and administrative	63,913	59,097	186,794	180,930
Depreciation	5,313	5,862	16,286	17,155
Restructuring and reorganization charges	2,943	1,152	12,040	8,421
Total operating expenses	263,321	254,137	791,557	772,804
Operating income	31,822	32,731	89,039	99,130
Other income (expense):
Interest expense	(7,778)	(8,036)	(22,982)	(23,092)
Interest income	1,922	1,175	6,641	2,516
Other, net	(2,187)	813	(1,455)	(3,047)
Total other	(8,043)	(6,048)	(17,796)	(23,623)
Income before income taxes	23,779	26,683	71,243	75,507
Income tax provision	(4,691)	(7,989)	(18,859)	(21,931)
Net income	$ 19,088	$ 18,694	$ 52,384	$ 53,576
Weighted-average shares outstanding:
Basic	28,362	30,097	28,475	30,381
Diluted	28,468	30,284	28,621	30,540
Earnings per common share:
Basic	$ 0.67	$ 0.62	$ 1.84	$ 1.76
Diluted	$ 0.67	$ 0.62	$ 1.83	$ 1.75