Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Assets and Liabilities measured on a recurring basis

The fair values of our financial instruments as of June 30, 2012 are presented in the following table:

	Fair Value Measurements Using
(in thousands)	Level 1		Level 2			Fair Value
Financial Assets:
Cash and cash equivalents	$	259,673	$	—		$	259,673
Restricted cash	—		22,034			22,034
Equity securities	22,683		—			22,683
Total Financial Assets	$	282,356	$	22,034		$	304,390
Financial Liabilities:
Total debt	—		832,279			832,279
Total Financial Liabilities	$	—	$	832,279		$	832,279
Derivatives:
Interest rate swap agreements	$	—	$	(6,330	)	$	(6,330	)

The fair values of our financial instruments as of December 31, 2011 are presented in the following table:

	Fair Value Measurements Using
(in thousands)	Level 1		Level 2			Fair Value
Financial Assets:
Cash and cash equivalents	$	259,266	$	—		$	259,266
Restricted cash	—		22,044			22,044
Equity securities	20,884		—			20,884
Total Financial Assets	$	280,150	$	22,044		$	302,194
Financial Liabilities:
Total debt	—		828,990			828,990
Total Financial Liabilities	$	—	$	828,990		$	828,990
Derivatives:
Interest rate swap agreements	$	—	$	(5,078	)	$	(5,078	)