CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenue		$ 914,515	$ 837,547	$ 1,006,090
Cost of revenue		288,721	236,306	284,185
Gross margin		625,794	601,241	721,905
Research, development, and engineering expenses		139,815	139,400	141,133
Selling, general, and administrative expenses		370,914	339,139	312,107
Loss (recovery) from fire		0	(8,000)	20,779
Restructuring Charges		0	0	1,657
Operating income		115,065	130,702	246,229
Foreign currency gain (loss)		1,531	(10,039)	(1,837)
Investment income		13,971	14,093	6,715
Other income (expense)		922	592	(412)
Income before income tax expense		131,489	135,348	250,695
Income tax expense on continuing operations		25,318	22,114	35,170
Net income		$ 106,171	$ 113,234	$ 215,525
Net Income per weighted-average common and common-equivalent share:
Net income (in dollars per share)		$ 0.62	$ 0.66	$ 1.24
Diluted earnings per weighted-average common and common-equivalent share (1):
Net income (in dollars per share)		$ 0.62	$ 0.65	$ 1.23
Weighted-average common and common-equivalent shares outstanding:
Basic (in shares)		171,438	172,249	173,407
Diluted (in shares)		172,611	173,399	174,869
Cash dividends per common share (in dollars per share)	[1]	$ 0.305	$ 0.286	$ 0.265

[1] 175,481