v3.8.0.1

Related Party Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions			12 Months Ended
		Jun. 29, 2016	Dec. 30, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Related party revenue			$ 1,854	$ 1,593
Accounts receivable, related party			307	150
Unbilled accounts receivable	[1]		5,454	5,541
Related party expenses			13,472	14,724
Affiliated Entity
Related Party Transaction [Line Items]
Related party revenue			1,900	1,600
Selling and marketing expenses			12,300	14,500
Accounts receivable, related party			300	100
Unbilled accounts receivable			222	286
Deferred revenue				200
Accounts payable			100	100
Accrued liabilities			500	$ 1,100
Director
Related Party Transaction [Line Items]
Selling and marketing expenses			1,200
Related party expenses			$ 1,400
Common Stock
Related Party Transaction [Line Items]
Stock repurchased and retired during period, shares		3.7
Shares repurchased, price per share		$ 8.25
Lock-up provision period		90 days
[1] (2) Includes unbilled accounts receivable due from related party of $222 and $286 at December 30, 2017 and December 31, 2016, respectively, (Note 12)

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