Condensed Consolidated Statements of Shareholders' Equity - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Beginning Balance at Jan. 01, 2022	$ 529,097,000	$ 635,000	$ 433,347,000	$ 7,006,000	$ 106,398,000	$ (18,289,000)
Beginning Balance, Shares at Jan. 01, 2022		59,696,117
Vesting of restricted stock, Shares		359,360
Grants of restricted stock		$ 6,000	(6,000)
Forfeitures of restricted stock		$ (1,000)	1,000
Stock withheld in lieu of taxes	(1,888,000)					(1,888,000)
Stock withheld in lieu of taxes, Shares		(95,001)
Retirement of stock withheld in lieu of taxes		$ (1,000)	(1,498,000)		(389,000)	1,888,000
Stock-based compensation	7,638,000		7,638,000
Common stock issued under ESPP	291,000		291,000
Common stock issued under ESPP, Shares		17,964
Net Income (Loss)	89,371,000				89,371,000
Decrease (increase) in value of RNCI	(1,514,000)				(1,514,000)
Other comprehensive loss, net of tax expense (benefit)	(9,535,000)			(9,535,000)
Ending Balance at Oct. 01, 2022	613,460,000	$ 639,000	439,773,000	(2,529,000)	193,866,000	(18,289,000)
Ending Balance, Shares at Oct. 01, 2022		59,978,440
Beginning Balance at Jul. 02, 2022	580,805,000	$ 639,000	437,207,000	(2,368,000)	163,616,000	(18,289,000)
Beginning Balance, Shares at Jul. 02, 2022		59,946,691
Vesting of restricted stock, Shares		42,258
Stock withheld in lieu of taxes	(225,000)					(225,000)
Stock withheld in lieu of taxes, Shares		(10,509)
Retirement of stock withheld in lieu of taxes			(163,000)		(62,000)	225,000
Stock-based compensation	2,729,000		2,729,000
Net Income (Loss)	30,041,000				30,041,000
Decrease (increase) in value of RNCI	271,000				271,000
Other comprehensive loss, net of tax expense (benefit)	(161,000)			(161,000)
Ending Balance at Oct. 01, 2022	613,460,000	$ 639,000	439,773,000	(2,529,000)	193,866,000	(18,289,000)
Ending Balance, Shares at Oct. 01, 2022		59,978,440
Beginning Balance at Dec. 31, 2022	628,015,000	$ 639,000	442,116,000	223,000	204,891,000	(19,854,000)
Beginning Balance, Shares at Dec. 31, 2022		59,911,556
Vesting of restricted stock, Shares		502,758
Grants of restricted stock		$ 10,000	(10,000)
Forfeitures of restricted stock		$ (3,000)	3,000
Purchases of treasury stock	(75,800,000)					(75,800,000)
Purchases of treasury stock, Shares		(3,040,280)
Stock withheld in lieu of taxes	(3,362,000)					(3,362,000)
Stock withheld in lieu of taxes, Shares		(146,500)
Retirement of stock withheld in lieu of taxes		$ (1,000)	(2,272,000)		(1,089,000)	3,362,000
Stock-based compensation	9,054,000		9,054,000
Common stock issued under ESPP	726,000		726,000
Common stock issued under ESPP, Shares		34,687
Net Income (Loss)	104,287,000				104,287,000
Decrease (increase) in value of RNCI	(1,637,000)				(1,637,000)
Other comprehensive loss, net of tax expense (benefit)	88,000			88,000
Ending Balance at Sep. 30, 2023	661,371,000	$ 645,000	449,617,000	311,000	306,452,000	(95,654,000)
Ending Balance, Shares at Sep. 30, 2023		57,262,221
Beginning Balance at Jul. 01, 2023	647,807,000	$ 641,000	446,222,000	(566,000)	267,250,000	(65,740,000)
Beginning Balance, Shares at Jul. 01, 2023		58,337,327
Vesting of restricted stock, Shares		1,422
Grants of restricted stock		$ 4,000	(4,000)
Purchases of treasury stock	(29,914,000)					(29,914,000)
Purchases of treasury stock, Shares		(1,090,119)
Stock withheld in lieu of taxes	(12,000)					(12,000)
Stock withheld in lieu of taxes, Shares		(422)
Retirement of stock withheld in lieu of taxes			(7,000)		(5,000)	12,000
Stock-based compensation	3,085,000		3,085,000
Common stock issued under ESPP	321,000		321,000
Common stock issued under ESPP, Shares		14,013
Net Income (Loss)	39,207,000				39,207,000
Other comprehensive loss, net of tax expense (benefit)	877,000			877,000
Ending Balance at Sep. 30, 2023	$ 661,371,000	$ 645,000	$ 449,617,000	$ 311,000	$ 306,452,000	$ (95,654,000)
Ending Balance, Shares at Sep. 30, 2023		57,262,221