Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Debt Obligations - Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Debt Disclosure [Abstract]
Interest expense									$ 26,928	$ 28,134	$ 27,732
Amortization of debt costs and discount on debt									(1,459)	3,394	3,205
Capitalized interest									(69)	(452)	(1,257)
Interest income and other expense, net									(21,580)	(14,510)	(9,897)
Total interest expense and other, net	$ 248	$ 755	$ 1,514	$ 1,303	$ 3,127	$ 4,026	$ 4,536	$ 4,877	$ 3,820	$ 16,566	$ 19,783