Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Income taxes relating to income from continuing operations

	Year Ended December 31,
	2011		2010		2009
Current:
Federal	$	15,803	$	6,334	$	(29,904	)
State and local		3,652		2,307		818
Foreign		4,931		27,546		25,448
Total current		24,386		36,187		(3,638	)
Deferred:
Federal		34,237		21,355		37,646
State and local		863		5,455		7,549
Foreign		12,087		904		1,087
Total deferred		47,187		27,714		46,282
Income taxes relating to continuing operations	$	71,573	$	63,901	$	42,644

Income loss from continuing operations from federal statutory rate

	Year Ended December 31,
	2011			2010			2009
Income taxes relating to continuing operations at federal statutory rate of 35%	$	86,621		$	64,799		$	42,914
State and local income taxes, net of federal taxes		1,883			5,991			5,650
Foreign		(947	)		(6,021	)		(7,115	)
Uncertain tax positions		(16,061	)		—			—
Other		77			(868	)		1,195
Income taxes relating to continuing operations	$	71,573		$	63,901		$	42,644

Summary of deferred tax assets and liabilities

	2011			2010
Deferred Tax Assets
Accrued liabilities	$	51,323		$	46,562
Net operating loss carryforwards		12,133			23,164
Interest rate swap		6,215			297
Other		7,027			2,787
Total deferred tax assets		76,698			72,810
Valuation allowance		(11,839	)		(7,335	)
Net deferred tax assets		64,859			65,475
Deferred Tax Liabilities
Depreciation and amortization		(121,723	)		(94,742	)
Partnership investments		(109,460	)		(104,527	)
Convertible notes		(21,335	)		(17,454	)
Other		(3,357	)		(2,421	)
Total deferred tax liabilities		(255,875	)		(219,144	)
Net deferred tax liabilities	$	(191,016	)	$	(153,669	)

Summary of movement in uncertain tax positions

	2011			2010			2009
Uncertain tax positions — January 1	$	36,097		$	36,887		$	32,901
Gross increase — tax position in prior periods		679			1,493			2,411
Gross decrease — tax position in prior periods		(19,077	)		(288	)		(165	)
Gross increase — current period tax position		17			—			—
Settlements		(2,201	)		(125	)		—
Lapse in statute of limitations		(541	)		(756	)		(1,227	)
Foreign exchange		(116	)		(1,114	)		2,967
Uncertain tax positions — December 31	$	14,858		$	36,097		$	36,887