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Credit Agreements (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 06, 2017
Oct. 18, 2017
Mar. 21, 2017
May 05, 2018
Apr. 29, 2017
Feb. 03, 2018
Debt Instrument [Line Items]            
Long-term debt, gross of unamortized issuance costs       $ 70,667    
Long-term debt       70,530   $ 73,899
Long-term credit facilities, current maturities       (2,326)   (2,326)
Long-term credit facilities, excluding current portion       68,204   71,573
Principal prepayments of GACP Term Loan       581 $ 10,263  
Loss on debt extinguishment       0 913  
Early termination and lender fees included in loss on extinguishment of debt       0 199  
Unamortized debt issuance costs included in loss on extinguishment of debt       52 127  
PNC Bank, N.A. [Member]            
Debt Instrument [Line Items]            
Revolving line of credit facility, maximum borrowing capacity       90,000    
Revolving line of credit, accordion feature       $ 25,000    
Debt Instrument, Maturity Date       Mar. 21, 2022    
Revolving line of credit facility, capacity available for the issuance of letters of credit       $ 6,000    
Debt instrument term       5 years    
Interest expense       $ 1,024 1,062  
Debt instrument covenant compliance, minimum unrestricted cash plus facility requirement       10,000    
Additional cash required to be restricted under PNC Credit Facility covenants       $ 0    
Financial covenant, minimum fixed charge coverage ratio       1.1 to 1.0    
Minimum unrestricted cash plus facility available threshold for additional covenants       $ 10,800    
Unrestricted cash plus credit facility available       44,300    
Debt issuance costs, gross of amortization       1,406    
PNC Bank, N.A. [Member] | Original 2012 Line Of Credit Agreement [Member]            
Debt Instrument [Line Items]            
Debt issuance costs, gross of amortization       466    
PNC Bank, N.A. [Member] | Line of Credit [Member]            
Debt Instrument [Line Items]            
Revolving loan       57,100   59,900
Remaining borrowing capacity       14,200    
PNC Bank, N.A. [Member] | Term Loan [Member]            
Debt Instrument [Line Items]            
Long-term debt, gross of unamortized issuance costs       13,567   14,148
Less unamortized debt issuance costs       (137)   (149)
Long-term debt       13,430   $ 13,999
Long-term credit facilities, current maturities       $ (2,300)    
Debt instrument term       84 months    
Mandatory prepayment percentage of excess cash flow       50.00%    
Mandatory prepayment maximum amount       $ 2,000    
Imputed effective interest rate       8.30%    
PNC Bank, N.A. [Member] | Year Two - On or Before March 21, 2019 [Member]            
Debt Instrument [Line Items]            
Debt early termination fee, percentage       1.00%    
PNC Bank, N.A. [Member] | Year Three - On or Before March 21, 2020 [Member]            
Debt Instrument [Line Items]            
Debt early termination fee, percentage       0.50%    
PNC Bank, N.A. [Member] | After Year Three - March 21, 2020 [Member]            
Debt Instrument [Line Items]            
Debt early termination fee, percentage       0.00%    
GACP [Member]            
Debt Instrument [Line Items]            
Interest expense         $ 429  
GACP [Member] | Term Loan [Member]            
Debt Instrument [Line Items]            
Principal prepayments of GACP Term Loan $ 3,500 $ 2,500 $ 9,500      
Loss on debt extinguishment     913      
Early termination and lender fees included in loss on extinguishment of debt     199      
Unamortized debt issuance costs included in loss on extinguishment of debt     $ 714      
Minimum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Line of Credit [Member]            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate       3.00%    
Minimum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Term Loan [Member]            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate       5.00%    
Minimum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Term Loan [Member]            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate       4.00%    
Maximum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Line of Credit [Member]            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate       4.50%    
Maximum [Member] | PNC Bank, N.A. [Member] | LIBOR [Member] | Term Loan [Member]            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate       6.00%    
Maximum [Member] | PNC Bank, N.A. [Member] | Base Rate [Member] | Term Loan [Member]            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate       5.00%