v3.3.0.814
Debt and Credit Arrangements (Details) - USD ($)
9 Months Ended
Sep. 26, 2014
Sep. 30, 2015
Dec. 31, 2014
Debt Instrument [Line Items]      
Term loan   $ 60,000,000 $ 60,000,000
Unamortized fees paid to lender   (965,000) (1,146,000)
Total debt, net   59,035,000 58,854,000
Less current maturities   $ (750,000) 0
Percent of excess cash flow to be used for loan prepayment, maximum   50.00%  
Deferred Finance Costs, Gross $ 1,957,000    
Deferred Finance Costs, Noncurrent, Net   $ 1,560,000 1,854,000
Term Loan [Member]      
Debt Instrument [Line Items]      
Unamortized fees paid to lender   (965,000)  
Less current maturities   (750,000) $ 0
Face amount of term loan 60,000,000 60,000,000  
Periodic principal payments on term loan $ 750,000    
Term Loan [Member] | LIBOR [Member]      
Debt Instrument [Line Items]      
Floor rate 0.50%    
Basis spread 6.75%    
Term Loan [Member] | Prime Rate [Member]      
Debt Instrument [Line Items]      
Floor rate 3.25%    
Basis spread 5.75%    
Delayed Draw Term Loan [Member]      
Debt Instrument [Line Items]      
Face amount of term loan $ 25,000,000    
Periodic payment as a percent of amount funded 1.25%    
Commitment fee as a percent of unborrowed amounts 0.75%    
Debt Instrument, Unused Borrowing Capacity, Amount   $ 25,000,000