Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2011

Fair Value Measurements (Tables) [Abstract]

Fair value measurement of assets and liabilities on recurring basis

	Carrying			Fair Value
Description	Value			Level 1		Level 2		Level 3
Interest rate swap liabilities — current (see Note 11)	$	(1,266	)	$	—	$	—	$	(1,266	)
Interest rate swap liabilities — long term (see Note 11)	$	(9,686	)	$	—	$	—	$	(9,686	)
Interest rate swap assets — long term (see Note 11)	$	2,943		$	—	$	—	$	2,943
Investment in Real D (see Note 9)	$	28,600		$	28,600	$	—	$	—

	Carrying			Fair Value
Description	Value			Level 1		Level 2		Level 3
Interest rate swap liabilities — current (see Note 11)	$	(2,928	)	$	—	$	—	$	(2,928	)
Interest rate swap liabilities — long term (see Note 11)	$	(13,042	)	$	—	$	—	$	(13,042	)
Interest rate swap assets — long term (see Note 11)	$	8,955		$	—	$	—	$	8,955
Investment in Real D (see Note 9)	$	27,993		$	—	$	27,993	$	—

Reconciliation of beginning and ending balance for assets and liabilities measured at fair value

	Liabilities						Assets
	2011			2010			2011			2010
Beginning balances — January 1	$	(15,970	)	$	(18,524	)	$	8,955		$	—
Total gain (loss) included in accumulated other comprehensive income		4,690			(733	)		(6,012	)		—
Total gain included in earnings		328			—			—			—
Ending balances — June 30	$	(10,952	)	$	(19,257	)	$	2,943		$	—