Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Common stock, shares outstanding at Dec. 30, 2018		35,742,427	100
Balance at Dec. 30, 2018	$ 185,540	$ 357		$ 150,459	$ 35,511	$ (646)	$ (141)
Balance (Accounting Standards Update 2016-02 [Member]) at Dec. 30, 2018	7,504				7,504
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	5,753			5,753
Vesting of non-vested shares, shares		492,135
Vesting of non-vested shares	0	$ 4		(4)
Issuance of common and preferred stock, shares		7,364,413	10,000
Issuance of common and preferred stock	$ 145,333	$ 74		145,259
Treasury Stock, Shares, Acquired	553,112
Repurchase of treasury stock	$ (4,017)						(4,017)
Retirement of treasury stock				(141)			$ (141)
Conversion of preferred stock to common stock, shares		7,450,402	(10,000)
Conversion of preferred stock to common stock	0	$ 75		(75)
Net income (loss)	(31,919)				(31,919)
Change in postretirement benefit obligations	1,268					1,268
Common stock, shares outstanding at Dec. 29, 2019		51,049,377	100				553,112
Balance at Dec. 29, 2019	309,462	$ 510		301,251	11,096	622	$ (4,017)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	5,223			5,223
Vesting of non-vested shares, shares		436,739
Vesting of non-vested shares	$ 0	$ 5		(5)
Treasury Stock, Shares, Acquired	1,543,622
Repurchase of treasury stock	$ (10,053)						$ (10,053)
Net income (loss)	(29,463)				(29,463)
Change in Valuation of Interest Rate Swap	(4,221)					(4,221)
Change in postretirement benefit obligations	$ 584					584
Common stock, shares outstanding at Jan. 03, 2021	49,389,382	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)
Common stock, shares outstanding at Jan. 02, 2022	52,653,964	52,037,511	100				2,104,953
Balance at Jan. 02, 2022	$ 214,224	$ 520		$ 287,816	$ (61,396)	$ 1,411	$ (14,127)