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	564		511			$ 53
Employee stock purchase plan (in shares)						(6)
Amortization of unrecognized stock-based compensation	4,094		4,094
Purchase of treasury stock	(48,554)					$ (48,554)
Purchase of treasury stock (in shares)						553
Foreign currency translation adjustments	(310)			(310)
Grant of restricted stock units to settle accrued bonus	10,200		10,200
Settlement of restricted stock units	(12,904)		(2,335)		(1,392)	$ (9,177)
Settlement of restricted stock units (in shares)						(253)
Dividends and dividend equivalent rights	(13,200)				(13,200)
Net Income (Loss)	29,609				29,609
Balance at Apr. 01, 2022	386,564	$ 66	293,889	(2,293)	493,387	$ (398,485)
Balances (in shares) at Apr. 01, 2022		65,707				13,885
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 (Loss)	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 Apr. 01, 2022	386,564	$ 66	293,889	(2,293)	493,387	$ (398,485)
Balances (in shares) at Apr. 01, 2022		65,707				13,885
Employee stock purchase plan	506		450			$ 56
Employee stock purchase plan (in shares)						(6)
Amortization of unrecognized stock-based compensation	1,845		1,845
Purchase of treasury stock	(63,289)					$ (63,289)
Purchase of treasury stock (in shares)						720
Foreign currency translation adjustments	(1,350)			(1,350)
Settlement of restricted stock units			(86)			$ 86
Settlement of restricted stock units (in shares)						(9)
Dividends and dividend equivalent rights	(12,537)				(12,537)
Net Income (Loss)	25,755				25,755
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. 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	580		517			$ 63
Employee stock purchase plan (in shares)						(6)
Amortization of unrecognized stock-based compensation	4,205		4,205
Foreign currency translation adjustments	460			460
Grant of restricted stock units to settle accrued bonus	10,497		10,497
Settlement of restricted stock units	(9,920)		(1,741)		(1,009)	$ (7,170)
Settlement of restricted stock units (in shares)						(178)
Exercise of stock options	100		22			$ 78
Exercise of stock options (in shares)						(8)
Dividends and dividend equivalent rights	(13,942)				(13,942)
Net Income (Loss)	29,124				29,124
Balance at Mar. 31, 2023	341,856	$ 66	314,502	(3,127)	542,983	$ (512,568)
Balances (in shares) at Mar. 31, 2023		65,707				14,872
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 (Loss)	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 Mar. 31, 2023	341,856	$ 66	314,502	(3,127)	542,983	$ (512,568)
Balances (in shares) at Mar. 31, 2023		65,707				14,872
Employee stock purchase plan	563		498			$ 65
Employee stock purchase plan (in shares)						(6)
Amortization of unrecognized stock-based compensation	2,422		2,422
Foreign currency translation adjustments	(133)			(133)
Settlement of restricted stock units			(76)			$ 76
Settlement of restricted stock units (in shares)						(8)
Dividends and dividend equivalent rights	(13,377)				(13,377)
Net Income (Loss)	25,748				25,748
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