DEBT (Tables)

9 Months Ended

Sep. 30, 2017

Debt outstanding as of September 30, 2017 and December 31, 2016 consists of the following (in thousands):

	September 30,			December 31,
	2017			2016
$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 September 30, 2017 and December 31, 2016 was 2.7% and 2.2%, respectively.	$	417,000		$	435,000
Term Loan, scheduled principal payments through maturity in July 2020; interest payable periodically at variable interest rates. The rate at September 30, 2017 and December 31, 2016 was 2.7% and 2.3%, respectively. Unamortized debt issuance costs amounted to $0.3 million at September 30, 2017 and $0.4 million at December 31, 2016, respectively.		87,500			95,000
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 $3.5 million and $3.9 million at September 30, 2017 and December 31, 2016, 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 $2.1 million and $2.7 million at September 30, 2017 and December 31, 2016, 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 $2.4 million and $2.8 million at September 30, 2017 and December 31, 2016, respectively.		250,000			250,000
Total debt		1,429,500			1,455,000
Unamortized debt issuance costs		(8,290	)		(9,831	)
Current portion of long-term debt		(10,000	)		(10,000	)
Long-term debt, net	$	1,411,210		$	1,435,169

Schedule of Principal Payments

Scheduled principal payments as of September 30, 2017 for the remainder of 2017, the next four years, and thereafter were as follows (in thousands):

2017 (remainder)	$	2,500
2018		10,000
2019		15,000
2020		802,000
2021		—
Thereafter		600,000
Total debt	$	1,429,500