XML 21 R42.htm IDEA: XBRL DOCUMENT v3.2.0.727
LONG-TERM DEBT (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Borrowings [Abstract]    
Long-term debt $ 377,373 $ 408,802
Less unamortized debt issuance costs (2,135) (2,714)
Less: Current portion (44,568) (38,608)
Long-term debt, less current maturities 332,805 370,194
Line of Credit [Member]    
Borrowings [Abstract]    
Long-term debt 180,944 193,443
Term Loan [Member]    
Borrowings [Abstract]    
Long-term debt 193,750 212,500
Promissory Note Payable [Member]    
Borrowings [Abstract]    
Long-term debt $ 4,814 $ 5,216
Quarterly installments (in hundredths) 2.90% 2.90%
Unsecured Subordinated Notes Payable [Member]    
Borrowings [Abstract]    
Long-term debt $ 0 $ 357
Quarterly installments (in hundredths) 5.00% 5.00%
Wells Fargo Bank, National Association [Member] | Line of Credit [Member]    
Borrowings [Abstract]    
Maximum borrowing capacity $ 350,000  
Wells Fargo Bank, National Association [Member] | Line of Credit [Member] | LIBOR [Member]    
Borrowings [Abstract]    
Basis spread on base rate (in hundredths) 2.00%  
Wells Fargo Bank, National Association [Member] | Line of Credit [Member] | Prime rate [Member]    
Borrowings [Abstract]    
Basis spread on base rate (in hundredths) 1.00%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member]    
Borrowings [Abstract]    
Commitment fee (in hundredths) 0.35%  
Available for borrowing under the facility $ 27,500  
Expiration date Jan. 02, 2019  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | Minimum [Member]    
Borrowings [Abstract]    
Commitment fee (in hundredths) 0.20%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | Maximum [Member]    
Borrowings [Abstract]    
Commitment fee (in hundredths) 0.45%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | LIBOR [Member]    
Borrowings [Abstract]    
Base rate LIBOR  
Amount outstanding $ 374,700  
Weighted average interest rate (in hundredths) 2.20%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | LIBOR [Member] | Minimum [Member]    
Borrowings [Abstract]    
Basis spread on base rate (in hundredths) 1.25%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | LIBOR [Member] | Maximum [Member]    
Borrowings [Abstract]    
Basis spread on base rate (in hundredths) 2.50%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | Prime rate [Member] | Minimum [Member]    
Borrowings [Abstract]    
Basis spread on base rate (in hundredths) 0.25%  
Wells Fargo Bank, National Association [Member] | Revolving Credit Facility [Member] | Prime rate [Member] | Maximum [Member]    
Borrowings [Abstract]    
Basis spread on base rate (in hundredths) 1.50%