Quarterly report pursuant to Section 13 or 15(d)

Debt (Narrative) (Details)

v3.8.0.1
Debt (Narrative) (Details)
3 Months Ended 12 Months Ended
Aug. 27, 2013
USD ($)
debt_instrument
Dec. 30, 2017
USD ($)
Oct. 01, 2016
USD ($)
Nov. 27, 2017
USD ($)
Sep. 30, 2017
USD ($)
Restrictions on Proceeds from Debt for Payment of Dividend and Stock Repurchase, Maximum Aggregate Amount of Dividends and Stock Repurchases Permitted | Revolving Credit Facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity       $ 10,000,000  
Revolving Credit Facility, due May 2017 | Revolving Credit Facility          
Debt Instrument [Line Items]          
Retained earnings, amount available for dividends and stock repurchases   $ 9,000,000     $ 7,700,000
Revolving Credit Facility, due May 2016 | Revolving Credit Facility          
Debt Instrument [Line Items]          
Payment of deferred financing fees     $ (1,000,000)    
Outstanding under credit facility   $ 90,100,000      
Fixed charge coverage ratio, term (in months)   12 months      
Fixed charge coverage ratio   1.1      
Capital Lease and Increase Aggregate Principal Amount Such Leases Borrower May Enter Into | Revolving Credit Facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity       15,000,000  
Investments in Entities Not a Party to Amended Credit Agreement | Revolving Credit Facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity       $ 2,000,000  
Salt Life Acquisition | Promissory Note          
Debt Instrument [Line Items]          
Number of promissory notes issued (debt instruments) | debt_instrument 2        
Aggregate principal of promissory notes $ 22,000,000        
Amount of one-time installment payment $ 9,000,000        
Debt instrument, discounted value   $ 3,900,000      
Salt Life Acquisition | Promissory Note, Maturity Date June 30, 2016 | Promissory Note          
Debt Instrument [Line Items]          
Imputed interest (percent) 1.92%        
Salt Life Acquisition | Promissory Note, Maturity Date June 30, 2019 | Promissory Note          
Debt Instrument [Line Items]          
Imputed interest (percent) 3.62%        
Letter of Credit | Line of Credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity   25,000,000      
Revolving Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity   145,000,000      
Potential maximum credit available under the facility   $ 200,000,000      
Interest rate during period (percent)   3.30%      
Unused borrowing capacity   $ 26,600,000