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Subsequent Events - Additional Information (Details)
 3 Months Ended
May 24, 2018
USD ($)
May 16, 2018
Employee
Oct. 30, 2014
USD ($)
Aug. 04, 2018
USD ($)
May 05, 2018
USD ($)
Credit Facility          
Subsequent Event [Line Items]          
Line of credit facility, amount outstanding         $ 59,100,000
Line of credit facility, maximum borrowing capacity     $ 125,000,000    
Line of credit facility, potential maximum borrowing capacity     $ 50,000,000    
Debt instrument interest rate         10.00%
Line of credit facility         $ 7,500,000
Line of credit facility, expiration date     Oct. 29, 2019    
Credit Facility | Federal Funds Rate          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate         0.50%
Credit Facility | LIBOR-based Borrowings          
Subsequent Event [Line Items]          
Line of credit facility, amount outstanding         $ 56,000,000
Line of credit facility, expiration date         May 08, 2018
Credit Facility | Minimum          
Subsequent Event [Line Items]          
Debt Instrument Consolidated Fixed Coverage Ratio         100.00%
Credit Facility | Minimum | LIBOR-based Borrowings          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate         1.50%
Credit Facility | Maximum | LIBOR-based Borrowings          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate         1.75%
Credit Facility | Commercial and Standby Letters of Credit          
Subsequent Event [Line Items]          
Line of credit facility, maximum borrowing capacity     $ 20,000,000    
Credit Facility | Swingline Loans          
Subsequent Event [Line Items]          
Line of credit facility, maximum borrowing capacity     $ 15,000,000    
Scenario, Forecast          
Subsequent Event [Line Items]          
Employee severance       $ 1,700,000  
Expected restructuring cost       $ 1,300,000  
Subsequent Events          
Subsequent Event [Line Items]          
Corporate restructuring plan expected initiation, date   May 16, 2018      
Number of positions expected to eliminate   56      
Percentage of positions expected to eliminate from work force   15.00%      
Percentage of total work force eliminated as a part of corporate restructuring plan   2.00%      
Number of employees notified of their termination | Employee   36      
Number of positions representing open that will not be filled   20      
Debt instrument, maturity date Oct. 29, 2019        
Subsequent Events | Credit Facility          
Subsequent Event [Line Items]          
Line of credit facility, amount outstanding $ 140,000,000        
Line of credit facility, maximum borrowing capacity 125,000,000        
Line of credit facility, potential maximum borrowing capacity $ 50,000,000        
Debt instrument interest rate 10.00%        
Line of credit facility $ 7,500,000        
Line of credit facility, expiration date May 24, 2023        
Subsequent Events | Credit Facility | Minimum          
Subsequent Event [Line Items]          
Debt Instrument Consolidated Fixed Coverage Ratio 100.00%        
Subsequent Events | Credit Facility | Minimum | Federal Funds Rate          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 0.25%        
Subsequent Events | Credit Facility | Minimum | LIBOR-based Borrowings          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 1.25%        
Subsequent Events | Credit Facility | Maximum | Federal Funds Rate          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 0.50%        
Subsequent Events | Credit Facility | Maximum | LIBOR-based Borrowings          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 1.50%        
Subsequent Events | Credit Facility | Commercial and Standby Letters of Credit          
Subsequent Event [Line Items]          
Line of credit facility, maximum borrowing capacity $ 20,000,000        
Subsequent Events | Credit Facility | Swingline Loans          
Subsequent Event [Line Items]          
Line of credit facility, maximum borrowing capacity 15,000,000        
Subsequent Events | FIFO Facility          
Subsequent Event [Line Items]          
Line of credit facility, amount outstanding 11,500,000        
Line of credit facility, maximum borrowing capacity 15,000,000        
Voluntary prepayments $ 0        
Subsequent Events | FIFO Facility | Minimum | Federal Funds Rate          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 1.75%        
Subsequent Events | FIFO Facility | Minimum | LIBOR-based Borrowings          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 2.75%        
Subsequent Events | FIFO Facility | Maximum | Federal Funds Rate          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 2.00%        
Subsequent Events | FIFO Facility | Maximum | LIBOR-based Borrowings          
Subsequent Event [Line Items]          
Line of credit facility, basis spread on variable rate 3.00%