FINANCING ARRANGEMENTS (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Summary of the entity's financial arrangements

The following table is a summary of the Company’s financing arrangements (in thousands):

	March 31, 2016			December 31, 2015
Senior unsecured notes, at 5.25%, due August 1, 2020 ("2020 Notes")	$	800,000		$	800,000
Senior unsecured notes, at 5.125%, due June 1, 2021 ("2021 Notes")	845,000			595,000
Long-term obligations, at par	$	1,645,000		$	1,395,000
Unamortized debt issuance costs and premium, net	(13,397		)	(12,457		)
Long-term obligations, at carrying value	$	1,631,603		$	1,382,543