Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Component of Debt

At March 31, 2018 and December 31, 2017, debt consisted of the following (in thousands):

	March 31, 2018			December 31, 2017
Senior secured credit facilities, weighted-average interest rate of 4.05% and 3.75%, respectively	$	1,430,925		$	1,492,175
5.875% senior notes due 2023		600,000			600,000
Unamortized original issue discount and debt issuance costs		(44,355	)		(46,980	)
		1,986,570			2,045,195
Less current portion of long-term debt		37,338			37,863
Long-term debt	$	1,949,232		$	2,007,332

Schedule of Carrying Amounts and Fair Values of Financial Instruments

The carrying amounts and fair values of financial instruments are as follows (in thousands):

	March 31, 2018				December 31, 2017
	Carrying		Fair		Carrying		Fair
	Amount		Value		Amount		Value
Financial liabilities:
Senior secured credit facilities	$	1,430,925	$	1,436,911	$	1,492,175	$	1,500,761
5.875% senior notes due 2023		600,000		630,660		600,000		631,313