Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Preferred Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Common stock, shares outstanding at Jan. 03, 2021		51,486,116	100				2,096,734
Balance at Jan. 03, 2021	$ 271,532	$ 515		$ 306,469	$ (18,367)	$ (3,015)	$ (14,070)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	6,234			6,234
Vesting of non-vested shares, shares		551,395
Vesting of non-vested shares	0	$ 5		(5)
Treasury Stock, Shares, Acquired							8,219
Repurchase of treasury stock	(57)						$ (57)
Special cash dividend	(24,882)			(24,882)
Net income (loss)	(43,029)				(43,029)
Change in Valuation of Interest Rate Swap	(4,710)					4,710
Change in postretirement benefit obligations	(284)					(284)
Balance at Jan. 02, 2022	214,224	$ 520		287,816	(61,396)	1,411	$ (14,127)
Common stock, shares outstanding at Jan. 02, 2022		52,037,511	100				2,104,953
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	4,902			4,902
Vesting of non-vested shares, shares		972,903
Vesting of non-vested shares	0	$ 10		(10)
Treasury Stock, Shares, Acquired							2,350
Repurchase of treasury stock	(3)						$ (3)
Net income (loss)	(75,572)				(75,572)
Change in Valuation of Interest Rate Swap	7,273					7,273
Change in postretirement benefit obligations	18					18
Balance at Jan. 01, 2023	$ 150,842	$ 530		292,708	(136,968)	8,702	$ (14,130)
Common stock, shares outstanding at Jan. 01, 2023	50,903,111	53,010,414	100				2,107,303
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 5,551			5,551
Vesting of non-vested shares, shares		843,663
Vesting of non-vested shares	0	$ 9		(9)
Treasury Stock, Shares, Acquired							144,434
Repurchase of treasury stock	(296)						$ (296)
Special cash dividend	(1,278)			(1,278)
Net income (loss)	33,796				33,796
Change in Valuation of Interest Rate Swap	(3,266)					(3,266)
Change in postretirement benefit obligations	(116)					(116)
Balance at Dec. 31, 2023	$ 185,233	$ 539		$ 296,972	$ (103,172)	$ 5,320	$ (14,426)
Common stock, shares outstanding at Dec. 31, 2023	51,602,340	53,854,077	100				2,251,737