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, 2021		175,481
Beginning Balance at Dec. 31, 2021	$ 1,430,093	$ 351	$ 914,802	$ 562,882	$ (47,942)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock under stock plans (in shares)		183
Net issuance of common stock under stock plans	4,414		4,414
Repurchase of common stock (in shares)		(2,267)
Repurchase of common stock	(154,317)	$ (4)		(154,313)
Stock-based compensation expense	28,053		28,053
Payment of dividends	(22,573)			(22,573)
Net income	126,234			126,234
Net unrealized gain (loss) on available-for-sale investments, net of tax	(15,870)				(15,870)
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	24				24
Foreign currency translation adjustment	(6,073)				(6,073)
Ending Balance (in shares) at Jul. 03, 2022		173,397
Ending Balance at Jul. 03, 2022	1,389,985	$ 347	947,269	512,230	(69,861)
Beginning Balance (in shares) at Apr. 03, 2022		173,738
Beginning Balance at Apr. 03, 2022	1,358,745	$ 347	933,452	488,511	(63,565)
Increase (Decrease) in Stockholders' Equity
Net issuance of common stock under stock plans (in shares)		47
Net issuance of common stock under stock plans	820		820
Repurchase of common stock (in shares)		(388)
Repurchase of common stock	(23,912)			(23,912)
Stock-based compensation expense	12,997		12,997
Payment of dividends	(11,270)			(11,270)
Net income	58,901			58,901
Net unrealized gain (loss) on available-for-sale investments, net of tax	(2,322)				(2,322)
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	(12)				(12)
Foreign currency translation adjustment	(3,962)				(3,962)
Ending Balance (in shares) at Jul. 03, 2022		173,397
Ending Balance at Jul. 03, 2022	$ 1,389,985	$ 347	947,269	512,230	(69,861)
Beginning Balance (in shares) at Dec. 31, 2022	172,631	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	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	172,293
Ending Balance at Jul. 02, 2023	$ 1,480,463	$ 345	$ 1,010,973	$ 537,947	$ (68,802)