Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Details)

v3.10.0.1
SUBSEQUENT EVENTS (Details)
Jul. 31, 2018
USD ($)
Jul. 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
Jul. 25, 2017
USD ($)
Jul. 24, 2017
USD ($)
Revolving Credit Facility [Member]          
Subsequent Event [Line Items]          
Maximum borrowing capacity     $ 60,000,000.0 $ 60,000,000 $ 40,000,000
Available remaining borrowing capacity     14,900,000    
Amended and Restated Credit Agreement, Third Amendment [Member] | Various Lenders [Member] | Revolving Credit Facility [Member]          
Subsequent Event [Line Items]          
Borrowings outstanding     19,000,000    
Amended and Restated Credit Agreement, Third Amendment [Member] | Various Lenders [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Maximum borrowing capacity   $ 60,000,000.0      
Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Additional amount allowed to borrow, accordion feature $ 50,000,000.0        
Amended and Restated Credit Agreement, Fourth Amendment [Member] | Various Lenders [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Maximum borrowing capacity 75,000,000.0        
Available remaining borrowing capacity 55,900,000        
Term Loan [Member] | Amended and Restated Credit Agreement, Third Amendment [Member]          
Subsequent Event [Line Items]          
Borrowings outstanding     $ 87,500,000    
Term Loan [Member] | Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Total amount available under loan $ 87,500,000.0        
Minimum [Member] | Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Commitment fee on unused portion 0.20%        
Consolidated fixed charge coverage ratio 1.15        
Maximum [Member] | Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Commitment fee on unused portion 0.30%        
Consolidated leverage ratio 3.50        
London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] | Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Basis spread on variable rate 1.25%        
London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] | Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Basis spread on variable rate 2.25%        
Base Rate [Member] | Minimum [Member] | Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Basis spread on variable rate 0.25%        
Base Rate [Member] | Maximum [Member] | Amended and Restated Credit Agreement, Fourth Amendment [Member] | Subsequent Event [Member]          
Subsequent Event [Line Items]          
Basis spread on variable rate 1.25%