Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Total Stockholders’ Equity	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Noncontrolling Interests in Subsidiaries
Stockholders' equity, beginning of period (in shares) at Jan. 03, 2021			170,428,000
Stockholders' equity, beginning of period at Jan. 03, 2021	$ 406,486	$ 404,167	$ 170	$ 2,685,920	$ (205,476)	$ 8,799	$ (2,085,246)	$ 2,319
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(49,498)	(48,385)					(48,385)	(1,113)
Other comprehensive income	98	98				98
Issuance of restricted stock to employees, net of cancellations (in shares)			1,908,000
Issuance of restricted stock to employees, net of cancellations	2	2	$ 2
Stock-based compensation expense	5,437	5,437		5,437
Bond/debentures conversion (in shares)			4,000
Bond/debentures conversion	155	155		155
Purchases of treasury stock (in shares)			(76,000)
Purchases of treasury stock	(2,120)	(2,120)			(2,120)
Other adjustments	303	303		(89)			392
Stockholders' equity, end of period (in shares) at Apr. 04, 2021			172,264,000
Stockholders' equity, end of period at Apr. 04, 2021	$ 360,863	359,657	$ 172	2,691,423	(207,596)	8,897	(2,133,239)	1,206
Stockholders' equity, beginning of period (in shares) at Jan. 02, 2022	173,052,000		173,051,000
Stockholders' equity, beginning of period at Jan. 02, 2022	$ 390,024	388,389	$ 173	2,714,500	(215,240)	11,168	(2,122,212)	1,635
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(28,460)	(27,871)					(27,871)	(589)
Other comprehensive income	2	2				2
Issuance of restricted stock to employees, net of cancellations (in shares)			1,201,000
Issuance of restricted stock to employees, net of cancellations	1	1	$ 1
Stock-based compensation expense	5,427	5,427		5,427
Purchases of treasury stock (in shares)			(407,000)
Purchases of treasury stock	$ (7,333)	(7,333)			(7,333)
Stockholders' equity, end of period (in shares) at Apr. 03, 2022	173,846,000		173,845,000
Stockholders' equity, end of period at Apr. 03, 2022	$ 359,661	$ 358,615	$ 174	$ 2,719,927	$ (222,573)	$ 11,170	$ (2,150,083)	$ 1,046