Condensed Consolidated Statements of Equity (Deficit) - USD ($) shares in Thousands, $ in Thousands	Total	Total Stockholders’ Equity	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Noncontrolling Interests in Subsidiaries	Accumulated Deficit
Shares issued, beginning of period (in shares) at Dec. 30, 2018			141,178
Stockholders' equity, beginning of period at Dec. 30, 2018	$ (149,886)	$ (208,696)	$ 141	$ 2,463,370	$ (187,069)	$ (4,150)	$ 58,810	$ (2,480,988)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(104,565)	(89,724)					(14,841)	(89,724)
Other comprehensive income	99	99				99
Issuance of restricted stock to employees, net of cancellations (in shares)			1,848
Issuance of restricted stock to employees, net of cancellations	2	2	$ 2
Stock-based compensation expense	6,628	6,628		6,628
Purchases of treasury stock (in shares)			(633)
Purchases of treasury stock	(3,872)	(3,872)	$ (1)		(3,871)
Noncontrolling Interest, Increase	20,987						20,987
Shares issued, end of period (in shares) at Mar. 31, 2019			142,393
Stockholders' equity, end of period at Mar. 31, 2019	(221,456)	(286,412)	$ 142	2,469,998	(190,940)	(4,051)	64,956	(2,561,561)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative-effect upon adoption of ASC 842	9,151	9,151						9,151
Shares issued, beginning of period (in shares) at Dec. 29, 2019			168,121
Stockholders' equity, beginning of period at Dec. 29, 2019	21,499	10,163	$ 168	2,661,819	(192,633)	(9,512)	11,336	(2,449,679)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,138)	(1,431)					(707)	(1,431)
Other comprehensive income	723	723				723
Issuance of restricted stock to employees, net of cancellations (in shares)			2,452
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)
Purchases of treasury stock	(6,911)	(6,911)	$ (1)		(6,910)
Shares issued, end of period (in shares) at Mar. 29, 2020			169,755
Stockholders' equity, end of period at Mar. 29, 2020	$ 20,061	$ 9,432	$ 170	$ 2,668,704	$ (199,543)	$ (8,789)	$ 10,629	$ (2,451,110)