CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities
Net income	$ 100,973	$ 43,311
Adjustments:
Depreciation and amortization	375,548	359,906
Loss on derivative instruments not designated as hedges	25,494	3,278
Changes in operating assets and liabilities:
Decrease in trade and other receivables, net	21,084	56,651
Decrease (increase) in inventories	4,679	(2,451)
Increase in prepaid expenses and other assets	(53,555)	(58,495)
(Decrease) increase in accounts payable	(36,265)	12,348
Decrease in accrued interest	(31,259)	(37,377)
Decrease in accrued expenses and other liabilities	(6,513)	(28,505)
Increase in customer deposits	272,329	224,873
Other, net	273	9,980
Net cash provided by operating activities	672,788	583,519
Investing Activities
Purchases of property and equipment	(396,073)	(322,751)
Cash (paid) received on settlement of derivative financial instruments	(25,843)	4,646
Equity contribution to unconsolidated affiliate	(35,757)
Cash payments received on loan to unconsolidated affiliate	11,993	11,813
Other, net	781	(6,877)
Net cash used in investing activities	(444,899)	(313,169)
Financing Activities
Debt proceeds	1,519,464	345,000
Debt issuance costs	(20,554)	(21,730)
Repayments of debt	(1,670,248)	(575,585)
Dividends paid	(54,098)	(65,293)
Proceeds from exercise of common stock options	6,918	1,768
Other, net	742	774
Net cash used in financing activities	(217,776)	(315,066)
Effect of exchange rate changes on cash	206	(5,261)
Net increase (decrease) in cash and cash equivalents	10,319	(49,977)
Cash and cash equivalents at beginning of period	194,855	262,186
Cash and cash equivalents at end of period	205,174	212,209
Cash paid during the period for:
Interest, net of amount capitalized	199,288	194,341
Non cash Investing Activities
Purchases of property and equipment through asset trade in	$ 46,375