Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Long-Term Debt (Schedule of Debt Instruments) (Details) - USD ($)
$ in Thousands
Sep. 29, 2018
Sep. 30, 2017
Debt Instrument [Line Items]    
Long-term Debt $ 98,660 $ 92,854
Less current installments (6,577) (7,548)
Long-term debt, excluding current installments 92,083 85,306
Loans Payable | Term Loan    
Debt Instrument [Line Items]    
Long-term Debt $ 0 486
Interest rate (as a percentage) 7.00%  
Loans Payable | Banco Ficohsa, Loan 1    
Debt Instrument [Line Items]    
Interest rate (as a percentage) 6.00%  
Loans Payable | Banco Ficohsa, Loan 2    
Debt Instrument [Line Items]    
Interest rate (as a percentage) 6.00%  
Loans Payable | Banco Ficohsa, Loan 3    
Debt Instrument [Line Items]    
Interest rate (as a percentage) 6.00%  
Term Loan | Banco Ficohsa, Loan 1    
Debt Instrument [Line Items]    
Long-term Debt $ 1,400 2,000
Term Loan | Banco Ficohsa, Loan 2    
Debt Instrument [Line Items]    
Long-term Debt 1,067 1,358
Term Loan | Banco Ficohsa, Loan 3    
Debt Instrument [Line Items]    
Long-term Debt 3,018 4,083
Notes Payable, Other Payables | Promissory Note, Maturity Date June 30, 2019    
Debt Instrument [Line Items]    
Long-term Debt $ 2,471 5,344
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 $ 85,746 74,608
Interest rate at period end (as a percentage) 4.10%  
Revolving Credit Facility | Line of Credit | Revolving Credit Facility, due March 2019    
Debt Instrument [Line Items]    
Long-term Debt $ 4,958 $ 4,975
Interest rate (as a percentage) 7.40%