Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jan. 02, 2010	Dec. 31, 2008
Current:
Federal	$ (17,038)	$ 15,905	$ 5,932
State and local	1,181	3,657	2,295
Foreign	26,890	4,941	27,500
Total current	11,033	24,503	35,727
Deferred:
Federal	70,082	34,237	21,355
State and local	11,835	863	5,455
Foreign	1,380	12,087	904
Total deferred	83,838	47,187	27,568
Income taxes relating to continuing operations	94,330	71,690	63,441
Reconciliation of income taxes from continuing operations at federal statutory rate
Federal statutory income tax rate (as a percent)	35.00%
Income taxes relating to continuing operations at federal statutory rate of 35%	101,146	86,750	64,973
State and local income taxes, net of federal taxes	7,071	1,891	5,200
Foreign	(11,775)	(967)	(5,864)
Uncertain tax positions	(1,366)	(16,061)
Other	(746)	77	(868)
Income taxes relating to continuing operations	94,330	71,690	63,441
Net uncertain tax position provision adjustment		16,000
Deferred Tax Assets
Accrued liabilities	51,221	53,224
Net operating loss carryforwards	14,053	12,376
Interest rate swap	5,670	6,004
Other	3,526	9,044
Total deferred tax assets	74,470	80,648
Valuation allowance	(14,621)	(11,839)
Net deferred tax assets	59,849	68,809
Deferred Tax Liabilities
Depreciation and amortization	(136,522)	(119,988)
Partnership investments	(178,580)	(111,400)
Convertible notes	(12,472)	(21,335)
Other	(573)	(1,118)
Total deferred tax liabilities	(328,147)	(253,841)
Net deferred tax liabilities	(268,298)	(185,032)
Increase in accumulated other comprehensive loss					1,565
Increase in opening retained earnings balance				7,616
Income from continuing operations before income taxes of foreign subsidiaries	117,002	98,380	96,976
Earnings of individual foreign subsidiaries	$ 817,358