Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Derivatives and Contingent Consideration) (Details)

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Commitments and Contingencies (Derivatives and Contingent Consideration) (Details) - USD ($)
 12 Months Ended
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Interest Rate Swap $ (56,000) $ (182,000) $ (697,000)
Contingent Consideration (1,600,000) (2,500,000) (3,100,000)
Change in fair value of contingent consideration 900,000 600,000 500,000
Accrued expenses      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options 0 (182,000)  
Deferred tax liabilities      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options 21,000 70,000  
Other liabilities      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options (56,000) 0  
Accumulated other comprehensive loss      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options (35,000) (112,000)  
Quoted Prices in Active Markets for Identical Assets (Level 1)      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Interest Rate Swap 0 0 0
Contingent Consideration 0 0 0
Significant Other Observable Inputs (Level 2)      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Interest Rate Swap (56,000) (182,000) (697,000)
Contingent Consideration 0 0 0
Significant Unobservable Inputs (Level 3)      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Interest Rate Swap 0 0 0
Contingent Consideration (1,600,000) (2,500,000) (3,100,000)
Maturity Date 9/9/2016      
Interest Rate Derivatives [Abstract]      
Notional amount $ 15,000,000    
LIBOR Rate 1.17%    
Maturity Date 7/19/2019      
Interest Rate Derivatives [Abstract]      
Notional amount $ 10,000,000    
LIBOR Rate 1.74%    
Maturity Date 9/19/2016      
Interest Rate Derivatives [Abstract]      
Notional amount $ 15,000,000    
LIBOR Rate 1.003%    
Maturity Date 5/10/2021      
Interest Rate Derivatives [Abstract]      
Notional amount $ 10,000,000    
LIBOR Rate 1.99%    
Cotton Options      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options $ (125,000) 0 0
Cotton Options | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options (125,000) 0 0
Cotton Options | Significant Other Observable Inputs (Level 2)      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options 0 0 0
Cotton Options | Significant Unobservable Inputs (Level 3)      
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]      
Cotton Options $ 0 $ 0 $ 0