Quarterly report pursuant to Section 13 or 15(d)

Debt (Narrative) (Details)

v3.6.0.2
Debt (Narrative) (Details)
 3 Months Ended 12 Months Ended
Aug. 27, 2013
USD ($)
debt_instrument
Dec. 31, 2016
USD ($)
Oct. 01, 2016
USD ($)
Feb. 27, 2015
USD ($)
Revolving Credit Facility, due May 2017 | Revolving Credit Facility        
Debt Instrument [Line Items]        
Restrictions on proceeds from debt for payment of dividend and stock repurchase, availability requirement, for dividends and stock repurchases, (percentage)     15.00%  
Restrictions on proceeds from debt for payment of dividend and stock repurchase, availability requirement, for dividends and stock repurchases, period of average (days)     30 days  
Restrictions on proceeds from debt for payment of dividend and stock repurchase, maximum aggregate amount of dividends and stock repurchases permitted     $ 10,000,000  
Restrictions on proceeds from debt for payment of dividend and stock repurchase, maximum aggregate amount of dividends and stock repurchases permitted, basis spread Rate on cumulative net income (percentage)     50.00%  
Retained earnings, amount available for dividends and stock repurchases   $ 10,600,000 $ 9,600,000  
Revolving Credit Facility, due May 2016 | Revolving Credit Facility        
Debt Instrument [Line Items]        
Payments of deferred financing fees   1,000,000    
Outstanding under credit facility   $ 98,300,000    
Fixed charge coverage ratio, duration (in months)   12 months    
Fixed charge coverage ratio (in ratio)   1.1    
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     $ 6,700,000  
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)   2.80%    
Unused borrowing capacity   $ 17,400,000