Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Component of Debt

At June 30, 2016 and December 31, 2015, debt consisted of the following (in thousands):

	June 30, 2016			December 31, 2015
Senior secured credit facilities, weighted-average interest rate    of 3.91% and 3.94%, respectively	$	2,064,675		$	2,220,000
5.875% senior notes due 2023		600,000			600,000
Unamortized original issue discount and debt issuance costs		(63,826	)		(68,649	)
		2,600,849			2,751,351
Less current portion of long-term debt		30,878			32,281
Long-term debt	$	2,569,971		$	2,719,070

Schedule of Carrying Amounts and Fair Values of Financial Instruments

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

	June 30, 2016				December 31, 2015
	Carrying		Fair		Carrying		Fair
	Amount		Value		Amount		Value
Financial liabilities:
Senior secured credit facilities	$	2,064,675	$	2,059,770	$	2,220,000	$	2,202,105
5.875% senior notes due 2023		600,000		613,500		600,000		616,500