LONG-TERM DEBT (Tables)

3 Months Ended

Mar. 31, 2017

Long-term debt

Summary of debt

	March 31, 2017						December 31, 2016
			Unamortized Debt		Long-term				Unamortized Debt		Long-term
(in thousands)	Principal		Issuance Costs		Debt, net		Principal		Issuance Costs		Debt, net
5.875% Senior Notes	$	750,000	$	(5,381)	$	744,619	$	750,000	$	(5,691)	$	744,309
4.375% Senior Notes		750,000		(6,119)		743,881		750,000		(6,370)		743,630
Total long-term debt	$	1,500,000	$	(11,500)	$	1,488,500	$	1,500,000	$	(12,061)	$	1,487,939