Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 30, 2022	$ 320,752	$ 66	$ 301,002	$ (3,587)	$ 528,810	$ (505,539)
Balances (in shares) at Dec. 30, 2022		65,707				15,064
Employee stock purchase plan	1,143		1,015			$ 128
Employee stock purchase plan (in shares)						(12)
Amortization of unrecognized stock-based compensation	6,627		6,627
Foreign currency translation adjustments	327			327
Grant of restricted stock units to settle accrued bonus	10,497		10,497
Settlement of restricted stock units	(9,920)		(1,817)		(1,009)	$ (7,094)
Settlement of restricted stock units (in shares)						(186)
Exercise of stock options	100		22			$ 78
Exercise of stock options (in shares)						(8)
Dividends and dividend equivalent rights	(27,319)				(27,319)
Net income	54,872				54,872
Balance at Jun. 30, 2023	357,079	$ 66	317,346	(3,260)	555,354	$ (512,427)
Balances (in shares) at Jun. 30, 2023		65,707				14,858
Balance at Dec. 30, 2022	320,752	$ 66	301,002	(3,587)	528,810	$ (505,539)
Balances (in shares) at Dec. 30, 2022		65,707				15,064
Net income	79,410
Balance at Sep. 29, 2023	353,635	$ 66	320,152	(3,775)	566,518	$ (529,326)
Balances (in shares) at Sep. 29, 2023		65,707				15,040
Balance at Jun. 30, 2023	357,079	$ 66	317,346	(3,260)	555,354	$ (512,427)
Balances (in shares) at Jun. 30, 2023		65,707				14,858
Employee stock purchase plan	569		498			$ 71
Employee stock purchase plan (in shares)						(7)
Amortization of unrecognized stock-based compensation	2,308		2,308
Purchase of treasury stock	(16,970)					$ (16,970)
Purchase of treasury stock (in shares)						189
Foreign currency translation adjustments	(515)			(515)
Dividends and dividend equivalent rights	(13,374)				(13,374)
Net income	24,538				24,538
Balance at Sep. 29, 2023	353,635	$ 66	320,152	(3,775)	566,518	$ (529,326)
Balances (in shares) at Sep. 29, 2023		65,707				15,040
Balance at Dec. 29, 2023	356,085	$ 66	321,448	(2,977)	574,082	$ (536,534)
Balances (in shares) at Dec. 29, 2023		65,707				15,134
Employee stock purchase plan	958		842			$ 116
Employee stock purchase plan (in shares)						(12)
Amortization of unrecognized stock-based compensation	6,521		6,521
Purchase of treasury stock	(5,710)					$ (5,710)
Purchase of treasury stock (in shares)						74
Foreign currency translation adjustments	(196)			(196)
Grant of restricted stock units to settle accrued bonus	10,846		10,846
Settlement of restricted stock units	(6,796)		(1,875)		(720)	$ (4,201)
Settlement of restricted stock units (in shares)						(166)
Exercise of stock options	1,494		952			$ 542
Exercise of stock options (in shares)						(54)
Dividends and dividend equivalent rights	(29,358)				(29,358)
Net income	59,369				59,369
Balance at Jun. 28, 2024	393,213	$ 66	338,734	(3,173)	603,373	$ (545,787)
Balances (in shares) at Jun. 28, 2024		65,707				14,976
Balance at Dec. 29, 2023	356,085	$ 66	321,448	(2,977)	574,082	$ (536,534)
Balances (in shares) at Dec. 29, 2023		65,707				15,134
Net income	85,413
Balance at Sep. 27, 2024	410,274	$ 66	342,301	(1,606)	614,991	$ (545,478)
Balances (in shares) at Sep. 27, 2024		65,707				14,942
Balance at Jun. 28, 2024	393,213	$ 66	338,734	(3,173)	603,373	$ (545,787)
Balances (in shares) at Jun. 28, 2024		65,707				14,976
Employee stock purchase plan	457		413			$ 44
Employee stock purchase plan (in shares)						(4)
Amortization of unrecognized stock-based compensation	2,623		2,623
Foreign currency translation adjustments	1,567			1,567
Settlement of restricted stock units	(34)		(13)			$ (21)
Settlement of restricted stock units (in shares)						(1)
Exercise of stock options	830		544			$ 286
Exercise of stock options (in shares)						(29)
Dividends and dividend equivalent rights	(14,426)				(14,426)
Net income	26,044				26,044
Balance at Sep. 27, 2024	$ 410,274	$ 66	$ 342,301	$ (1,606)	$ 614,991	$ (545,478)
Balances (in shares) at Sep. 27, 2024		65,707				14,942