Quarterly report pursuant to Section 13 or 15(d)

Restructuring Plan (Details)

v3.7.0.1
Restructuring Plan (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Jul. 01, 2017
Jul. 02, 2016
Jul. 01, 2017
Jul. 02, 2016
Oct. 01, 2016
Restructuring Cost and Reserve [Line Items]            
Total restructuring costs   $ 0 $ 1,663 $ 0 $ 1,663  
Total manufacturing realignment expenses           $ 2,837
Payments for employee termination benefits   100       400
Accrual of employee termination benefits   $ 100   $ 100    
Facility Closing            
Restructuring Cost and Reserve [Line Items]            
Proceeds from sale of productive assets, per agreement $ 1,700          
Cost of Goods, Total            
Restructuring Cost and Reserve [Line Items]            
Total restructuring costs           1,096
Restructuring Charges            
Restructuring Cost and Reserve [Line Items]            
Total restructuring costs           1,741
Restructuring Charges | Employee termination costs            
Restructuring Cost and Reserve [Line Items]            
Total restructuring costs           597
Restructuring Charges | Other costs to exit facility            
Restructuring Cost and Reserve [Line Items]            
Total restructuring costs           393
Fixed asset impairment | Restructuring Charges | Facility Closing            
Restructuring Cost and Reserve [Line Items]            
Total restructuring costs           607
Inventory and supply part impairment | Restructuring Charges | Facility Closing            
Restructuring Cost and Reserve [Line Items]            
Total restructuring costs           $ 144