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 6 Months Ended
Mar. 09, 2018
Mar. 31, 2018
Apr. 01, 2017
Mar. 31, 2018
Apr. 01, 2017
Sep. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Accrued contingent consideration   $ 1,200,000   $ 1,200,000    
Decrease in accrual of contingent liability   (100,000) $ (100,000) (400,000) $ (200,000)  
Other assets            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivatives related to interest rate swap agreements   272,000   272,000   $ 0
Deferred tax assets            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivatives related to interest rate swap agreements   0   0   21,000
Accrued expenses            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivatives related to interest rate swap agreements   0   0   (56,000)
Deferred tax liabilities            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivatives related to interest rate swap agreements   (105,000)   (105,000)   0
Accumulated other comprehensive income (loss)            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivatives related to interest rate swap agreements   167,000   167,000   (35,000)
July 19, 2019            
Interest Rate Derivatives [Abstract]            
Notational Amount   $ 10,000,000   $ 10,000,000    
Fixed LIBOR Rate (percentage)   1.74%   1.74%    
May 10, 2021            
Interest Rate Derivatives [Abstract]            
Notational Amount   $ 10,000,000   $ 10,000,000    
Fixed LIBOR Rate (percentage)   1.99%   1.99%    
Fair Value, Measurements, Recurring | Interest Rate Swaps            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivative asset   $ 272,000   $ 272,000    
Financial derivative liabilities, fair value           (56,000)
Fair Value, Measurements, Recurring | Cotton Options            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Financial derivative liabilities, fair value   0   0   (125,000)
Fair Value, Measurements, Recurring | Contingent Consideration            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Financial derivative liabilities, fair value   (5,850,000)   (5,850,000)   (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]            
Derivative asset   0   0    
Financial derivative liabilities, fair value           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   0   0   (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   0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Interest Rate Swaps            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivative asset   272,000   272,000    
Financial derivative liabilities, fair value           (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   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   0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Interest Rate Swaps            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Derivative asset   0   0    
Financial derivative liabilities, fair value           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   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   (5,850,000)   (5,850,000)   $ (1,600,000)
Teeshirt Ink, Inc            
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]            
Accrued contingent consideration $ 4,650,000 $ 4,700,000   $ 4,700,000    
Purchase price $ 16,400,000