DEBT (Tables)

12 Months Ended

Dec. 31, 2016

Schedule Of Debt Outstanding

Debt outstanding consists of the following (in thousands):

	December 31,
	2016			2015
$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 December 31, 2016 and 2015 was 2.2% and 1.9%, respectively.	$	435,000		$	439,000
Term Loan, scheduled principal payments through maturity in July 2020; interest payable periodically at variable interest rates. The rate at December 31, 2016 and 2015 was 2.3% and 2.0%, respectively. Unamortized debt issuance costs amounted to $0.4 million and $0.6 million at December 31, 2016 and 2015, respectively.		95,000			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 $3.9 million and $4.5 million at December 31, 2016 and 2015, 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 $2.7 million and $3.5 million at December 31, 2016 and 2015, 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 $2.8 million and $3.3 million at December 31, 2016 and 2015, respectively.		250,000			250,000
Total debt		1,455,000			1,464,000
Unamortized debt issuance costs		(9,831	)		(11,923	)
Current portion of long-term debt		(10,000	)		(5,000	)
Long-term debt, net	$	1,435,169		$	1,447,077

Schedule of Principal Payments

Scheduled principal payments as of December 31, 2016 for the next five years and thereafter were as follows (in thousands):

2017	$	10,000
2018		10,000
2019		15,000
2020		820,000
2021		—
Thereafter		600,000
Total debt	$	1,455,000