Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis

	Level I		Level II		Level III		Total
At June 30, 2013:
Assets:
Cash equivalents	$	222,962	$	—	$	—	$	222,962
Liabilities:
Interest rate swap contracts	$	—	$	15,229	$	—	$	15,229
At December 31, 2012:
Assets:
Cash equivalents	$	487,900	$	—	$	—	$	487,900
Liabilities:
Interest rate swap contracts	$	—	$	22,137	$	—	$	22,137

Carrying Values And Fair Values Of The Company's Financial Instruments

	June 30, 2013
	Carrying Amount		Estimated Fair Value
Debt instruments:
Term loan A facility	$	876,797	$	879,270
7.75% Notes due July 2021	687,949		764,750
4.75% Notes due December 2022	589,946		579,000
	$	2,154,692	$	2,223,020
	December 31, 2012
	Carrying Amount		Estimated Fair Value
Debt instruments:
Term loan A facility	$	876,358	$	876,154
7.75% Notes due July 2021	687,423		801,500
4.75% Notes due December 2022	589,534		603,000
	$	2,153,315	$	2,280,654