Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Details)

v3.5.0.1
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