Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Schedule of Debt Instruments) (Details)

v3.8.0.1
Long-Term Debt (Schedule of Debt Instruments) (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Oct. 01, 2016
Debt Instrument [Line Items]    
Long-term Debt $ 92,854 $ 115,795
Less current installments (7,548) (9,192)
Long-term debt, excluding current installments 85,306 106,603
Loans Payable | Term Loan    
Debt Instrument [Line Items]    
Long-term Debt $ 486 1,459
Interest rate (as a percentage) 7.00%  
Loans Payable | Banco Ficohsa, Loan 1    
Debt Instrument [Line Items]    
Interest rate (as a percentage) 7.50%  
Loans Payable | Banco Ficohsa, Loan 2    
Debt Instrument [Line Items]    
Interest rate (as a percentage) 8.00%  
Term Loan | Banco Ficohsa, Loan 1    
Debt Instrument [Line Items]    
Long-term Debt $ 2,000 2,600
Term Loan | Banco Ficohsa, Loan 2    
Debt Instrument [Line Items]    
Long-term Debt 1,358 1,650
Term Loan | Banco Ficohsa, Loan Monthly Installments beginning June 2016    
Debt Instrument [Line Items]    
Long-term Debt $ 0 4,833
Interest rate (as a percentage) 8.00%  
Notes Payable, Other Payables | Promissory Note, Maturity Date June 30, 2016    
Debt Instrument [Line Items]    
Long-term Debt $ 4,083 0
Interest rate (as a percentage) 8.00%  
Notes Payable, Other Payables | Promissory Note, Maturity Date June 30, 2019    
Debt Instrument [Line Items]    
Long-term Debt $ 5,344 8,116
Interest rate (as a percentage) 3.62%  
Revolving Credit Facility | Line of Credit | Revolving Credit Facility, due May 2021    
Debt Instrument [Line Items]    
Long-term Debt $ 74,608 92,137
Revolving Credit Facility | Line of Credit | Revolving Credit Facility, due March 2019    
Debt Instrument [Line Items]    
Long-term Debt $ 4,975 $ 5,000