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Equity Method Investment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 02, 2016
Oct. 03, 2015
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Condensed Balance Sheet Statements, Captions [Line Items]          
Payments to acquire securities non-marketable securities   $ 3,000      
Cost method investment, ownership percentage   15.80%      
Equity method investment, ownership percentage 22.70%   22.70%    
Cost method investments, original cost $ 2,000   $ 5,000 $ 0 $ 0
Equity method investments 5,000   5,000    
Equity in net loss of an unconsolidated affiliate, net of tax     (492) $ 0 $ 0
Other Noncurrent Assets          
Condensed Balance Sheet Statements, Captions [Line Items]          
Equity method investments $ 4,500   $ 4,500