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Nature of Operations and Summary of Significant Accounting Policies - Narrative (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Apr. 04, 2015
Segment
Jan. 03, 2015
Sep. 27, 2014
Jun. 28, 2014
Mar. 29, 2014
Jan. 03, 2015
Jan. 02, 2016
Oct. 03, 2015
Jul. 04, 2015
Jan. 02, 2016
Operating Cycle [Line Items]                    
Operating Cycle, Quarterly 91 days 98 days 91 days 91 days 91 days          
Operating Cycle, Fiscal           371 days        
Number of reportable segments 2us-gaap_NumberOfReportableSegments                  
Restricted Cash $ 371us-gaap_RestrictedCashAndCashEquivalents $ 415us-gaap_RestrictedCashAndCashEquivalents       $ 415us-gaap_RestrictedCashAndCashEquivalents        
Banker's acceptance drafts $ 5,440us-gaap_DueFromCustomerAcceptances $ 6,334us-gaap_DueFromCustomerAcceptances       $ 6,334us-gaap_DueFromCustomerAcceptances        
Forecast [Member]                    
Operating Cycle [Line Items]                    
Operating Cycle, Quarterly             91 days 91 days 91 days  
Operating Cycle, Fiscal                   364 days
Minimum [Member]                    
Operating Cycle [Line Items]                    
Operating Cycle, Quarterly 91 days                  
Operating Cycle, Fiscal 364 days                  
Maximum [Member]                    
Operating Cycle [Line Items]                    
Operating Cycle, Quarterly 98 days                  
Operating Cycle, Fiscal 371 days