FINANCING ARRANGEMENTS (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Summary of Financing Arrangements

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

	December 31, 2017			December 31, 2016
Senior secured Term Loan Agreement ("Term Loan Agreement")	$	4,000		$	—
Current portion of long-term obligations, at carrying value	$	4,000		$	—
Senior secured Term Loan Agreement due June 30, 2024	$	394,000		$	—
Senior unsecured notes, at 5.25%, due August 1, 2020 ("2020 Notes")	400,000			800,000
Senior unsecured notes, at 5.125%, due June 1, 2021 ("2021 Notes")	845,000			845,000
Long-term obligations, at par	$	1,639,000		$	1,645,000
Unamortized debt issuance costs and premium, net	$	(13,463	)	$	(11,728	)
Long-term obligations, at carrying value	$	1,625,537		$	1,633,272

Schedule of Redemption Prices

The Company may redeem some or all of the 2021 Notes at any time upon proper notice, at the following redemption prices plus unpaid interest:

Year	Percentage
Prior to December 1, 2018	101.281	%
On or after December 1, 2018	100.000	%

The Company may redeem some or all of the 2020 Notes which remain outstanding at any time upon proper notice, at the following redemption prices plus unpaid interest:

Year	Percentage
Prior to August 1, 2018	101.313	%
On or after August 1, 2018	100.000	%