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 12 Months Ended
Sep. 30, 2016
Apr. 01, 2017
Oct. 01, 2016
Restructuring Cost and Reserve [Line Items]      
Total manufacturing realignment expenses     $ 2,837
Payments for employee termination benefits   $ 100 400
Accrual of employee termination benefits   $ 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