Receivables, Net Receivables, Net (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of period	$ 0	$ 0	$ 0
Charged to costs and expenses	2,623	308	126
Uncollectible accounts written off, net	(2,623)	(308)	(126)
Balance at end of period	$ 0	$ 0	$ 0