Related Party Transactions - Additional Information (Details) $ in Thousands		12 Months Ended
	Dec. 28, 2015 USD ($)	Mar. 31, 2016 USD ($) board_member
Related Party Transaction [Line Items]
Net cash from investment in Sift		$ 1,000
Sift
Related Party Transaction [Line Items]
Ownership	9.90%
Net cash from investment in Sift	$ 1,000
Number of directors to nominate | board_member		1
Number of board members | board_member		5
Cost/fair value	$ 999