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. 31, 2021	$ 417,065	$ 66	$ 281,419	$ (1,983)	$ 478,370	$ (340,807)
Balances (in shares) at Dec. 31, 2021		65,707				13,591
Employee stock purchase plan	1,070		961			$ 109
Employee stock purchase plan (in shares)						(12)
Amortization of unrecognized stock-based compensation	5,939		5,939
Purchase of treasury stock	(111,843)					$ (111,843)
Purchase of treasury stock (in shares)						1,273
Foreign currency translation adjustments	(1,660)			(1,660)
Grant of restricted stock units to settle accrued bonus	10,200		10,200
Settlement of restricted stock units	(12,904)		(2,421)		(1,392)	$ (9,091)
Settlement of restricted stock units (in shares)						(262)
Dividends and dividend equivalent rights	(25,737)				(25,737)
Net income	55,364				55,364
Balance at Jul. 01, 2022	337,494	$ 66	296,098	(3,643)	506,605	$ (461,632)
Balances (in shares) at Jul. 01, 2022		65,707				14,590
Balance at Dec. 31, 2021	417,065	$ 66	281,419	(1,983)	478,370	$ (340,807)
Balances (in shares) at Dec. 31, 2021		65,707				13,591
Net income	79,806
Balance at Sep. 30, 2022	319,800	$ 66	298,589	(5,136)	518,631	$ (492,350)
Balances (in shares) at Sep. 30, 2022		65,707				14,918
Balance at Jul. 01, 2022	337,494	$ 66	296,098	(3,643)	506,605	$ (461,632)
Balances (in shares) at Jul. 01, 2022		65,707				14,590
Employee stock purchase plan	557		492			$ 65
Employee stock purchase plan (in shares)						(7)
Amortization of unrecognized stock-based compensation	1,999		1,999
Purchase of treasury stock	(30,783)					$ (30,783)
Purchase of treasury stock (in shares)						335
Foreign currency translation adjustments	(1,493)			(1,493)
Dividends and dividend equivalent rights	(12,416)				(12,416)
Net income	24,442				24,442
Balance at Sep. 30, 2022	319,800	$ 66	298,589	(5,136)	518,631	$ (492,350)
Balances (in shares) at Sep. 30, 2022		65,707				14,918
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