Selected Unaudited Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Apr. 02, 2017	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Quarterly Financial Information Disclosure [Abstract]
Revenue	$ 456,837	$ 428,263	$ 449,097	$ 391,888	$ 651,134	$ 485,836	$ 327,981	$ 329,095	$ 1,726,085	$ 1,794,047	$ 2,552,637
Gross profit (loss)	(7,571)	9,755	(310,215)	10,248	(13,593)	21,289	16,167	(45,584)	(297,081)	(18,645)	221,819
Net income (loss)	(172,146)	(113,911)	(483,843)	(147,597)	(753,566)	(70,838)	(109,577)	(236,886)	(917,496)	(1,170,868)	(521,415)
Net income (loss) attributable to stockholders	$ (158,174)	$ (89,826)	$ (447,117)	$ (115,974)	$ (572,651)	$ (46,229)	$ (90,515)	$ (219,725)	$ (811,091)	$ (929,121)	$ (448,635)
Basic and diluted net loss per share attributable to stockholders (in dollars per share)	$ (1.12)	$ (0.64)	$ (3.17)	$ (0.83)	$ (4.10)	$ (0.33)	$ (0.65)	$ (1.58)	$ (5.76)	$ (6.67)	$ (3.25)