Annual report pursuant to Section 13 and 15(d)

Restructuring Plan (Details)

v3.8.0.1
Restructuring Plan (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Restructuring Cost and Reserve [Line Items]        
Restructuring costs   $ 0 $ 1,741 $ 0
Total manufacturing realignment expenses   2,837    
Payments for restructuring   100 $ 400  
Facility Closing        
Restructuring Cost and Reserve [Line Items]        
Proceeds from sale of assets, per agreement $ 1,700      
Cost of goods sold        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs   1,096    
Restructuring Charges        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs   1,741    
Restructuring Charges | Employee termination costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs   597    
Restructuring Charges | Other costs to exit facility        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs   393    
Inventory and supply part | Restructuring Charges | Facility Closing        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs   144    
Fixed Asset | Restructuring Charges | Facility Closing        
Restructuring Cost and Reserve [Line Items]        
Restructuring costs   $ 607