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
Common stock, outstanding, beginning balance (in shares) at Dec. 29, 2019			168,121,000
Stockholders' equity, beginning of period at Dec. 29, 2019	$ 21,499	$ 10,163	$ 168	$ 2,661,819	$ (192,633)	$ (9,512)	$ (2,449,679)	$ 11,336
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,138)	(1,431)					(1,431)	(707)
Other comprehensive income	723	723				723
Issuance of restricted stock to employees, net of cancellations (in shares)			2,452,000
Issuance of restricted stock to employees, net of cancellations	3	3	$ 3
Stock-based compensation expense	6,885	6,885		6,885
Purchases of treasury stock (in shares)			(818,000)
Purchases of treasury stock	(6,911)	(6,911)	$ (1)		(6,910)
Common stock, outstanding, ending balance (in shares) at Mar. 29, 2020			169,755,000
Stockholders' equity, end of period at Mar. 29, 2020	$ 20,061	9,432	$ 170	2,668,704	(199,543)	(8,789)	(2,451,110)	10,629
Common stock, outstanding, beginning balance (in shares) at Jan. 03, 2021	170,428,000		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 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			0
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
Common stock, outstanding, ending balance (in shares) at Apr. 04, 2021	172,264,000		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