Fair Value Measurement (Tables)

9 Months Ended

Sep. 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 September 30, 2013:
Assets:
Cash equivalents	$	338,009	$	—	$	—	$	338,009
Liabilities:
Interest rate swap contracts	$	—	$	14,082	$	—	$	14,082
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

	September 30, 2013
	Carrying Amount		Estimated Fair Value
Debt instruments:
Term loan A facility	$	877,024	$	874,940
7.75% Notes due July 2021	688,223		778,750
4.75% Notes due December 2022	590,158		561,000
	$	2,155,405	$	2,214,690
	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