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)		628
Net issuance of common stock under stock plans	2,655	$ 2	2,653
Repurchase of common stock (in shares)		(966)
Repurchase of common stock	(49,163)	$ (2)		(49,161)
Stock-based compensation expense	29,153		29,153
Payment of dividends	(24,160)			(24,160)
Net income	83,089			83,089
Net unrealized gain (loss) on available-for-sale investments, net of tax	3,720				3,720
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	0
Foreign currency translation adjustment	(3,225)				(3,225)
Ending Balance (in shares) at Jul. 02, 2023		172,293
Ending Balance at Jul. 02, 2023	1,480,463	$ 345	1,010,973	537,947	(68,802)
Beginning Balance (in shares) at Apr. 02, 2023		172,601
Beginning Balance at Apr. 02, 2023	1,446,331	$ 345	992,690	517,526	(64,230)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock under stock plans (in shares)		179
Net issuance of common stock under stock plans	5,710	$ 1	5,709
Repurchase of common stock (in shares)		(487)
Repurchase of common stock	(24,985)	$ (1)		(24,984)
Stock-based compensation expense	12,574		12,574
Payment of dividends	(12,069)			(12,069)
Net income	57,474			57,474
Net unrealized gain (loss) on available-for-sale investments, net of tax	(1,706)				(1,706)
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	0
Foreign currency translation adjustment	(2,866)				(2,866)
Ending Balance (in shares) at Jul. 02, 2023		172,293
Ending Balance at Jul. 02, 2023	$ 1,480,463	$ 345	1,010,973	537,947	(68,802)
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)		375
Net issuance of common stock under stock plans	(1,871)		(1,871)
Repurchase of common stock (in shares)		(473)
Repurchase of common stock	(19,879)	$ 0		(19,879)
Stock-based compensation expense	26,266		26,266
Payment of dividends	(25,756)			(25,756)
Net income	48,234			48,234
Net unrealized gain (loss) on available-for-sale investments, net of tax	1,379				1,379
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	8				8
Foreign currency translation adjustment	$ (26,403)				(26,403)
Ending Balance (in shares) at Jun. 30, 2024	171,501	171,501
Ending Balance at Jun. 30, 2024	$ 1,506,730	$ 343	1,061,597	515,142	(70,352)
Beginning Balance (in shares) at Mar. 31, 2024		171,662
Beginning Balance at Mar. 31, 2024	1,489,189	$ 343	1,047,643	502,338	(61,135)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock under stock plans (in shares)		81
Net issuance of common stock under stock plans	990	$ 0	990
Repurchase of common stock (in shares)		(242)
Repurchase of common stock	(10,540)	$ 0		(10,540)
Stock-based compensation expense	12,964		12,964
Payment of dividends	(12,868)			(12,868)
Net income	36,212			36,212
Net unrealized gain (loss) on available-for-sale investments, net of tax	1,020				1,020
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	10				10
Foreign currency translation adjustment	$ (10,247)				(10,247)
Ending Balance (in shares) at Jun. 30, 2024	171,501	171,501
Ending Balance at Jun. 30, 2024	$ 1,506,730	$ 343	$ 1,061,597	$ 515,142	$ (70,352)