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LONG-TERM DEBT (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Aug. 15, 2016
Oct. 31, 2016
Sep. 30, 2016
Dec. 31, 2015
Borrowings [Abstract]        
Long-term debt     $ 318,265 $ 349,509
Less unamortized debt issuance costs     (1,022) (2,046)
Less: Current portion     (115,222) (50,829)
Long-term debt less current maturities     203,043 298,680
Line of Credit [Member]        
Borrowings [Abstract]        
Long-term debt     177,999 172,147
Term Loan [Member]        
Borrowings [Abstract]        
Long-term debt     137,500 175,000
Promissory Note Payable [Member]        
Borrowings [Abstract]        
Long-term debt     $ 3,788 $ 4,408
Interest rate     2.90% 2.90%
Wells Fargo Bank, National Association [Member]        
Borrowings [Abstract]        
Asset sales without the consent of the required lenders $ 3,500      
Minimum asset coverage ratio 0.95      
Wells Fargo Bank, National Association [Member] | Line of Credit [Member]        
Borrowings [Abstract]        
Reduction amount in principal term loan, current fiscal year $ 17,000      
Reduction amount in principal term loan, next fiscal year 14,000      
Additional mandatory prepayments, current fiscal year 30,000      
Additional mandatory prepayments, next fiscal year 25,000      
Wells Fargo Bank, National Association [Member] | Line of Credit [Member] | Subsequent Event [Member]        
Borrowings [Abstract]        
Payments on long term debt due current fiscal year   $ 17,000    
Payments on long term debt due next fiscal year   14,000    
Wells Fargo Bank, National Association [Member] | Term Loan [Member]        
Borrowings [Abstract]        
Maximum borrowing capacity     $ 137,500  
Amount outstanding     137,500  
Wells Fargo Bank, National Association [Member] | Term Loan [Member] | Subsequent Event [Member]        
Borrowings [Abstract]        
Amount outstanding   74,500    
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member]        
Borrowings [Abstract]        
Maximum borrowing capacity 250,000   $ 205,000  
Expiration date     Mar. 31, 2018  
Debt amortization expenses payable per quarter current year     $ 12,500  
Debt amortization expenses payable per quarter in year two and thereafter     15,625  
Maximum borrowing capacity for next fiscal year $ 190,000      
Amount outstanding     $ 315,500  
Weighted average interest rate     5.65%  
Available for borrowing under the facility     $ 20,200  
Commitment fee     0.50%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]        
Borrowings [Abstract]        
Payments on long term debt due current fiscal year   12,500    
Payments on long term debt due next fiscal year   $ 12,000    
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | LIBOR [Member]        
Borrowings [Abstract]        
Base rate     LIBOR  
Basis spread on base rate     5.00%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | Prime rate [Member]        
Borrowings [Abstract]        
Basis spread on base rate     4.00%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | LIBOR Rate & CDOR Rate [Member]        
Borrowings [Abstract]        
Basis spread on base rate 5.00%      
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | Base Rate & Canadian Base Rate [Member]        
Borrowings [Abstract]        
Basis spread on base rate 4.00%      
Wells Fargo Bank, National Association [Member] | Permitted Overadvance Facility [Member]        
Borrowings [Abstract]        
Percentage of net accounts receivable 85.00%      
Percentage of net inventory 65.00%      
Wells Fargo Bank, National Association [Member] | Permitted Overadvance Facility [Member] | LIBOR Rate & CDOR Rate [Member]        
Borrowings [Abstract]        
Basis spread on base rate 6.00%      
Wells Fargo Bank, National Association [Member] | Permitted Overadvance Facility [Member] | Base Rate & Canadian Base Rate [Member]        
Borrowings [Abstract]        
Basis spread on base rate 5.00%