Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Fair Value Measurements (Details)

v3.8.0.1
Derivatives and Fair Value Measurements (Details) - USD ($)
 3 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Accrued contingent consideration $ 1,300,000    
Decrease in accrual of contingent liability 300,000 $ 100,000  
Other assets      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Derivatives related to interest rate swap agreements 83,000   $ 0
Deferred tax assets      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Derivatives related to interest rate swap agreements 0   21,000
Accrued expenses      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Derivatives related to interest rate swap agreements 0   (56,000)
Deferred tax liabilities      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Derivatives related to interest rate swap agreements (32,000)   0
Accumulated other comprehensive income (loss)      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Derivatives related to interest rate swap agreements 51,000   (35,000)
July 19, 2019      
Interest Rate Derivatives [Abstract]      
Notational Amount $ 10,000,000    
Fixed LIBOR Rate (percentage) 1.74%    
May 10, 2021      
Interest Rate Derivatives [Abstract]      
Notational Amount $ 10,000,000    
Fixed LIBOR Rate (percentage) 1.99%    
Fair Value, Measurements, Recurring | Interest Rate Swaps      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value $ 83,000   (56,000)
Fair Value, Measurements, Recurring | Cotton Options      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value (1,000)   (125,000)
Fair Value, Measurements, Recurring | Contingent Consideration      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value (1,300,000)   (1,600,000)
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest Rate Swaps      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value 0   0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cotton Options      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value (1,000)   (125,000)
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Contingent Consideration      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value 0   0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Interest Rate Swaps      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value 83,000   (56,000)
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Cotton Options      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value 0   0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Contingent Consideration      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value 0   0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Interest Rate Swaps      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value 0   0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Cotton Options      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value 0   0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Contingent Consideration      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Financial derivative liabilities, fair value $ (1,300,000)   $ (1,600,000)