Annual report pursuant to Section 13 and 15(d)

Restructuring Costs - Summary of Restructuring Charges (Details)

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Restructuring Costs - Summary of Restructuring Charges (Details) - Base USAP - Fiscal 2014
$ in Thousands
 12 Months Ended
Jan. 03, 2015
USD ($)
Restructuring Cost and Reserve [Line Items]  
Restructuring costs $ 1,137
Employee severance  
Restructuring Cost and Reserve [Line Items]  
Restructuring costs 526
Accounts receivable allowance  
Restructuring Cost and Reserve [Line Items]  
Restructuring costs 73
Relocation costs (employee and equipment)  
Restructuring Cost and Reserve [Line Items]  
Restructuring costs 127
Inventory transfers  
Restructuring Cost and Reserve [Line Items]  
Restructuring costs $ 411