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Debt - Additional Information (Details) - USD ($)
9 Months Ended
Aug. 25, 2017
Aug. 24, 2017
Sep. 30, 2017
Minimum | LIBOR      
Debt Instrument [Line Items]      
Debt instrument, basis spread on interest rate   2.00%  
Minimum | Base Rate      
Debt Instrument [Line Items]      
Debt instrument, basis spread on interest rate   1.00%  
Maximum | LIBOR      
Debt Instrument [Line Items]      
Debt instrument, basis spread on interest rate   3.50%  
Maximum | Base Rate      
Debt Instrument [Line Items]      
Debt instrument, basis spread on interest rate   2.50%  
Revolving Credit Facility      
Debt Instrument [Line Items]      
Senior secured credit facility, aggregate commitments   $ 35,000,000  
Amended Senior Secured Credit Agreement      
Debt Instrument [Line Items]      
Debt instrument, interest rate, description     Pursuant to the Amendment, borrowings under both the term loan facility (the “Term Loan Facility”) and the revolving credit facility (“Revolving Credit Facility”) under the Credit Agreement bear interest, at the Company’s option, at either (i) a rate per annum equal to an adjusted LIBOR rate determined by reference to the cost of funds for U.S. dollar deposits for the applicable interest period (subject to a minimum floor of 0%) plus an applicable margin ranging from 1.50% to 2.75% (amended from 2.00% to 3.50% as previously set forth in the Credit Agreement) based on the Company’s consolidated total net leverage ratio or (ii) a floating base rate plus an applicable margin ranging from 0.50% to 1.75% (amended from 1.00% to 2.50% as previously set forth in the Credit Agreement) based on the Company’s consolidated total net leverage ratio.
Amendment fees paid     $ 500,000
Amended Senior Secured Credit Agreement | Minimum | LIBOR      
Debt Instrument [Line Items]      
Debt instrument,variable rate floor 0.00%    
Debt instrument, basis spread on interest rate 1.50%    
Amended Senior Secured Credit Agreement | Minimum | Base Rate      
Debt Instrument [Line Items]      
Debt instrument, basis spread on interest rate 0.50%    
Amended Senior Secured Credit Agreement | Maximum | LIBOR      
Debt Instrument [Line Items]      
Debt instrument, basis spread on interest rate 2.75%    
Amended Senior Secured Credit Agreement | Maximum | Base Rate      
Debt Instrument [Line Items]      
Debt instrument, basis spread on interest rate 1.75%    
Amended Senior Secured Credit Agreement | Revolving Credit Facility      
Debt Instrument [Line Items]      
Credit facility, interest rate     4.00%
Senior secured credit facility, aggregate commitments $ 50,000,000    
Maturity date Aug. 25, 2022    
Revolving credit facility, unused amount     $ 40,000,000
Amended Senior Secured Credit Agreement | Term Loan      
Debt Instrument [Line Items]      
Credit facility, interest rate     4.00%
Senior secured credit facility, aggregate commitments $ 165,000,000    
Maturity date Aug. 25, 2022