Annual report pursuant to Section 13 and 15(d)

Leases (Details)

v3.8.0.1
Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Operating Leased Assets [Line Items]      
Rent expense $ 8,800 $ 9,300 $ 9,400
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2018 8,259    
2019 7,856    
2020 6,703    
2021 4,542    
2022 3,220    
Thereafter 14,386    
Total future minimum due $ 44,966    
Land and Building | Minimum      
Operating Leased Assets [Line Items]      
Renewal period, years 5 years    
Land and Building | Maximum      
Operating Leased Assets [Line Items]      
Renewal period, years 10 years