XML 55 R44.htm IDEA: XBRL DOCUMENT v3.3.1.900
DEBT (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Apr. 30, 2015
Sep. 30, 2014
Mar. 31, 2016
Debt      
Unamortized Debt Issuance Expense     $ 839
Revolving credit agreement      
Debt      
Borrowing capacity under the line of credit     $ 400,000
Line of Credit Facility, Initiation Date   Sep. 12, 2014  
Covenant compliance description     As of March 31, 2016, the Company was in compliance with all of its covenants
Additional increase in borrowing capacity of the line of credit available at the entity's option     $ 100,000
Debt Instrument, Term     5 years
Senior Notes [Member]      
Debt      
Debt Instrument, Initiation Date Apr. 01, 2015    
Debt Instrument, Face Amount     $ 350,000
Debt, Weighted Average Interest Rate     3.50%
Debt Instrument, Covenant Compliance     As of March 31, 2016, the Company was in compliance with all of its debt covenants
Long-term Debt and Capital Lease Obligations, Including Current Maturities     $ 349,161
Weighted Average [Member]      
Debt      
Debt Instrument, Term     19 years
Minimum [Member] | Senior Notes [Member]      
Debt      
Debt Instrument, Term     10 years
Maximum | Senior Notes [Member]      
Debt      
Debt Instrument, Term     30 years
Senior Notes Series A [Member]      
Debt      
Debt Instrument, Maturity Date     Aug. 20, 2025
Debt Instrument, Interest Rate, Stated Percentage     3.15%
Debt Instrument, Face Amount     $ 100,000
Senior Notes Series B [Member]      
Debt      
Debt Instrument, Maturity Date     Aug. 20, 2030
Debt Instrument, Interest Rate, Stated Percentage     3.35%
Debt Instrument, Face Amount     $ 100,000
Senior Notes Series C [Member]      
Debt      
Debt Instrument, Maturity Date     Apr. 01, 2035
Debt Instrument, Interest Rate, Stated Percentage     3.61%
Debt Instrument, Face Amount     $ 50,000
Senior Notes Series D [Member]      
Debt      
Debt Instrument, Maturity Date     Apr. 01, 2045
Debt Instrument, Interest Rate, Stated Percentage     4.02%
Debt Instrument, Face Amount     $ 100,000