Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements Of Comprehensive Loss [Abstract]
Revenue	$ 1,602,494	$ 1,604,386	$ 2,963,217	$ 2,925,212
Operating expenses:
Direct operating expenses (excludes depreciation and amortization)	607,095	630,015	1,221,529	1,214,084
Selling, general and administrative expenses (excludes depreciation and amortization)	398,123	420,436	821,751	793,146
Corporate expenses (excludes depreciation and amortization)	71,158	56,486	140,356	108,833
Depreciation and amortization	181,839	189,641	357,205	373,352
Other operating income - net	1,917	3,229	5,041	19,943
Operating income (loss)	346,196	311,037	427,417	455,740
Interest expense	385,867	358,950	759,883	728,616
Equity in earnings of nonconsolidated affiliates	4,696	5,271	8,251	8,246
Other expense - net	(1,397)	(4,517)	(17,670)	(6,553)
Loss before income taxes	(36,372)	(47,159)	(341,885)	(271,183)
Income tax benefit	8,663	9,184	166,061	101,845
Consolidated net loss	(27,709)	(37,975)	(175,824)	(169,338)
Less amount attributable to noncontrolling interest	11,316	15,204	6,830	15,673
Net loss attributable to the Company	(39,025)	(53,179)	(182,654)	(185,011)
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(40,380)	36,565	(3,291)	75,872
Unrealized gain on securities and derivatives:
Unrealized holding gain (loss) on marketable securities	(11,317)	11,057	731	14,009
Unrealized holding gain (loss) on cash flow derivatives	15,935	(1,399)	24,514	11,943
Reclassification adjustment	91	59	154	148
Other comprehensive income (loss)	(35,671)	46,282	22,108	101,972
Comprehensive loss	(74,696)	(6,897)	(160,546)	(83,039)
Less amount attributable to noncontrolling interest	(5,738)	6,435	(2,083)	13,133
Comprehensive loss attributable to the Company	$ (68,958)	$ (13,332)	$ (158,463)	$ (96,172)
Net loss attributable to the Company per common share:
Basic	$ (0.57)	$ (0.65)	$ (2.40)	$ (2.27)
Weighted average common shares outstanding - Basic	82,543	82,375	82,598	82,317
Diluted	$ (0.57)	$ (0.65)	$ (2.40)	$ (2.27)
Weighted average common shares outstanding - Diluted	82,543	82,375	82,598	82,317