CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net cash provided by (used in) operating activities	$ 194,656	$ 291,694
Cash flows from investing activities
Capital expenditures, net of construction payable	(97,415)	(113,757)
Dispositions of property and equipment	235	20
Investments in and advances to unconsolidated affiliates	(6,400)	(12,600)
Distributions from unconsolidated affiliates in excess of earnings	103	1,801
Investments in treasury securities - maturities longer than 90 days	(60,138)	(45,102)
Proceeds from treasury securities - maturities longer than 90 days	60,112	60,108
Other	(113)	(411)
Net cash used in investing activities	(103,616)	(109,941)
Cash flows from financing activities
Net repayments under bank credit facilities - maturities of 90 days or less	(2,690,000)	(192,100)
Borrowings under bank credit facilities - maturities longer than 90 days	2,793,000	450,000
Repayments under bank credit facilities - maturities longer than 90 days		(2,284,128)
Issuance of senior notes		1,850,000
Debt issuance costs		(37,938)
Distributions to noncontrolling interest owners	(254,659)	(197,848)
Other	(863)	(908)
Net cash used in financing activities	(152,522)	(412,922)
Effect of exchange rate on cash	(1,390)	148
Cash and cash equivalents
Net increase (decrease) for the period	(62,872)	(231,021)
Balance, beginning of period	1,543,509	1,865,913
Balance, end of period	1,480,637	1,634,892
Parent
Cash flows from operating activities
Net cash provided by (used in) operating activities	(203,987)	(189,390)
Cash flows from investing activities
Investments in and advances to unconsolidated affiliates	(6,400)	(12,600)
Net cash used in investing activities	(6,400)	(12,600)
Cash flows from financing activities
Net repayments under bank credit facilities - maturities of 90 days or less	(2,240,000)	(192,100)
Borrowings under bank credit facilities - maturities longer than 90 days	2,343,000
Repayments under bank credit facilities - maturities longer than 90 days		(1,834,128)
Issuance of senior notes		1,850,000
Debt issuance costs		(37,938)
Intercompany accounts	474,764	135,946
Other	(583)	(574)
Net cash used in financing activities	577,181	(78,794)
Cash and cash equivalents
Net increase (decrease) for the period	366,794	(280,784)
Balance, beginning of period	254,385	795,326
Balance, end of period	621,179	514,542
Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	198,580	191,282
Cash flows from investing activities
Capital expenditures, net of construction payable	(51,766)	(104,918)
Dispositions of property and equipment	108	20
Distributions from unconsolidated affiliates in excess of earnings	103	1,801
Investments in treasury securities - maturities longer than 90 days	(60,138)	(45,102)
Proceeds from treasury securities - maturities longer than 90 days	60,112	60,108
Other	(113)	(411)
Net cash used in investing activities	(51,694)	(88,502)
Cash flows from financing activities
Intercompany accounts	(200,367)	(107,660)
Other		(315)
Net cash used in financing activities	(200,367)	(107,975)
Cash and cash equivalents
Net increase (decrease) for the period	(53,481)	(5,195)
Balance, beginning of period	226,242	230,888
Balance, end of period	172,761	225,693
Non-Guarantor Subsidiaries
Cash flows from operating activities
Net cash provided by (used in) operating activities	200,063	289,802
Cash flows from investing activities
Capital expenditures, net of construction payable	(45,649)	(8,839)
Dispositions of property and equipment	127
Net cash used in investing activities	(45,522)	(8,839)
Cash flows from financing activities
Net repayments under bank credit facilities - maturities of 90 days or less	(450,000)
Borrowings under bank credit facilities - maturities longer than 90 days	450,000	450,000
Repayments under bank credit facilities - maturities longer than 90 days		(450,000)
Intercompany accounts	(274,397)	(28,286)
Distributions to noncontrolling interest owners	(254,659)	(197,848)
Other	(280)	(19)
Net cash used in financing activities	(529,336)	(226,153)
Effect of exchange rate on cash	(1,390)	148
Cash and cash equivalents
Net increase (decrease) for the period	(376,185)	54,958
Balance, beginning of period	1,062,882	839,699
Balance, end of period	$ 686,697	$ 894,657