Consolidated Statement of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Dec. 31, 2022		172,631
Beginning Balance at Dec. 31, 2022	$ 1,438,394	$ 345	$ 979,167	$ 528,179	$ (69,297)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock under stock plans (in shares)		449
Net issuance of common stock under stock plans	(3,055)	$ 1	(3,056)
Repurchase of common stock (in shares)		(479)
Repurchase of common stock	(24,178)	$ (1)		(24,177)
Stock-based compensation expense	16,579		16,579
Payment of dividends	(12,091)			(12,091)
Net income	25,615			25,615
Net unrealized gain (loss) on available-for-sale investments, net of tax	5,426				5,426
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	0
Foreign currency translation adjustment	(359)				(359)
Ending Balance (in shares) at Apr. 02, 2023		172,601
Ending Balance at Apr. 02, 2023	$ 1,446,331	$ 345	992,690	517,526	(64,230)
Beginning Balance (in shares) at Dec. 31, 2023	171,599	171,599
Beginning Balance at Dec. 31, 2023	$ 1,504,752	$ 343	1,037,202	512,543	(45,336)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock under stock plans (in shares)		294
Net issuance of common stock under stock plans	(2,861)	$ 0	(2,861)
Repurchase of common stock (in shares)		(231)
Repurchase of common stock	(9,339)	$ 0		(9,339)
Stock-based compensation expense	13,302		13,302
Payment of dividends	(12,888)			(12,888)
Net income	12,022			12,022
Net unrealized gain (loss) on available-for-sale investments, net of tax	359				359
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	(2)				(2)
Foreign currency translation adjustment	$ (16,156)				(16,156)
Ending Balance (in shares) at Mar. 31, 2024	171,662	171,662
Ending Balance at Mar. 31, 2024	$ 1,489,189	$ 343	$ 1,047,643	$ 502,338	$ (61,135)