Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Redeemable Noncontrolling Interest [Member]	Parent [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]
Shares issued, beginning of period at Dec. 28, 2014				131,466
Stockholders' equity, beginning of period at Dec. 28, 2014	$ 1,576,029	$ 28,566	$ 1,534,174	$ 131	$ 2,219,581	$ (111,485)	$ (13,455)	$ (560,598)	$ 41,855
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(299,436)
Net loss	(285,747)	(13,689)	(187,019)						(98,728)
Net Income (Loss) Attributable to Parent	(187,019)
Other comprehensive income (loss)	5,432		5,432				5,432
Issuance of common stock upon exercise of options (in shares)				58
Issuance of common stock upon exercise of options	514		514		514
Issuance of restricted stock to employees, net of cancellations (in shares)				3,560
Issuance of restricted stock to employees, net of cancellations				$ 3	(3)
Issuance of common stock upon conversion of convertible debt (in shares)				3,008
Settlement of the 4.5% Warrants	(574)		(574)	$ 3	(577)
Stock-based compensation expense	61,481		61,481		61,481
Tax benefit from convertible debt interest deduction	39,546		39,546		39,546
Tax benefit from stock-based compensation	39,375		39,375		39,375
Contributions from noncontrolling interests	123,817	57,064							123,817
Contributions from noncontrolling interests and redeemable noncontrolling interests	180,881
Distributions to noncontrolling interests	(7,454)	(2,837)							(7,454)
Purchases of treasury stock (in shares)				(1,381)
Purchases of treasury stock	(43,780)		(43,780)			(43,780)
Shares issued, end of period at Jan. 03, 2016				136,711
Stockholders' equity, end of period at Jan. 03, 2016	1,508,639	69,104	1,449,149	$ 137	2,359,917	(155,265)	(8,023)	(747,617)	59,490
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(543,844)
Net loss	(468,028)	(75,817)	(471,064)						3,036
Net Income (Loss) Attributable to Parent	(471,064)
Other comprehensive income (loss)	785		785				785
Issuance of restricted stock to employees, net of cancellations (in shares)				2,836
Issuance of restricted stock to employees, net of cancellations	3		3	$ 3
Stock-based compensation expense	56,110		56,110		56,110
Tax benefit from convertible debt interest deduction	(2,822)		(2,822)		(2,822)
Tax benefit from stock-based compensation	(2,810)		(2,810)		(2,810)
Contributions from noncontrolling interests	29,215	117,120							29,215
Contributions from noncontrolling interests and redeemable noncontrolling interests	146,334
Distributions to noncontrolling interests	(12,253)	(6,786)							(12,253)
Purchases of treasury stock (in shares)				(1,039)
Purchases of treasury stock	(21,519)		(21,519)	$ 1		(21,518)
Shares issued, end of period at Jan. 01, 2017				138,508
Stockholders' equity, end of period at Jan. 01, 2017	1,087,320	103,621	1,007,832	$ 139	2,410,395	(176,783)	(7,238)	(1,218,681)	79,488
CumulativeEffectUponAdoptionofASU2016-09_ASU2016-16	(45,344)		(45,344)					(45,344)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(1,092,910)
Net loss	(939,984)	(152,926)	(851,163)						(88,821)
Net Income (Loss) Attributable to Parent	(851,163)
Other comprehensive income (loss)	4,230		4,230				4,230
Issuance of restricted stock to employees, net of cancellations (in shares)				1,739
Issuance of restricted stock to employees, net of cancellations	2		2	$ 2	0
Stock-based compensation expense	32,118		32,118		32,118
Contributions from noncontrolling interests	125,500	71,928							125,500
Contributions from noncontrolling interests and redeemable noncontrolling interests	196,628
Distributions to noncontrolling interests	(11,988)	(7,387)							(11,988)
Purchases of treasury stock (in shares)				(589)
Purchases of treasury stock	(4,757)		(4,757)	$ 1		(4,756)
Shares issued, end of period at Dec. 31, 2017				139,658
Stockholders' equity, end of period at Dec. 31, 2017	$ 247,097	$ 15,236	$ 142,918	$ 140	$ 2,442,513	$ (181,539)	$ (3,008)	$ (2,115,188)	$ 104,179