DEBT (Tables)

12 Months Ended

Dec. 31, 2015

Schedule Of Debt Outstanding

Debt outstanding consists of the following (in thousands):

	December 31,
	2015			2014
$900.0 Million Revolving Credit Facility, principal due at maturity in July 2020; interest payable periodically at variable interest rates. The weighted average rate at both December 31, 2015 and 2014 was 1.9%.	$	439,000		$	525,000
Term Loan, scheduled principal payments through maturity in July 2020; interest payable periodically at variable interest rates. The rate at December 31, 2015 was 2.0%. Unamortized debt issuance costs amounted to $0.6 million at December 31, 2015.		100,000			—
4.625% Senior Notes, principal due at maturity in May 2023; interest payable semi-annually in May and November at 4.625%. Unamortized debt issuance costs amounted to $4.5 million and $5.2 million at December 31, 2015 and 2014, respectively.		350,000			350,000
4.125% Senior Notes, principal due at maturity in April 2020; interest payable semi-annually in April and October at 4.125%. Unamortized debt issuance costs amounted to $3.5 million and $4.3 million at December 31, 2015 and 2014, respectively.		325,000			325,000
5.0% Senior Notes, principal due at maturity in October 2022; interest payable semi-annually in April and October at 5.0%. Unamortized debt issuance costs amounted to $3.3 million at December 31, 2015.		250,000			—
Total debt		1,464,000			1,200,000
Unamortized debt issuance costs		(11,923	)		(9,545	)
Current portion of long-term debt		(5,000	)		—
Long-term debt, net of current portion	$	1,447,077		$	1,190,455

Schedule of Principal Payments

Scheduled principal payments as of December 31, 2015 for the next five years and thereafter were as follows (in thousands):

2016	$	5,000
2017		10,000
2018		10,000
2019		15,000
2020		824,000
Thereafter		600,000
Total debt	$	1,464,000