CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating Activities
Net income	$ 411,090	$ 570,859
Adjustments:
Depreciation and amortization	541,957	522,493
Loss (gain) on fuel call options	5,671	(11,701)
Loss on extinguishment of unsecured senior notes	7,485
Changes in operating assets and liabilities:
Decrease in trade and other receivables, net	42,484	55,062
Decrease (increase) in inventories	423	(25,490)
Increase in prepaid expenses and other assets	(39,410)	(72,538)
Increase in accounts payable	46,836	74,498
Decrease in accrued interest	(2,305)	(14,370)
Increase in accrued expenses and other liabilities	11,688	34,380
Increase in customer deposits	80,993	97,089
Cash received on settlement of derivative financial instruments	69,684
Dividends received from unconsolidated affiliate		21,147
Other, net	(4,340)	21,289
Net cash provided by operating activities	1,172,256	1,272,718
Investing Activities
Purchases of property and equipment	(429,309)	(1,030,102)
Cash received on settlement of derivative financial instruments	19,058	20,172
Loan to unconsolidated affiliate		(110,660)
Cash payment received on loan to unconsolidated affiliate	23,512
Proceeds from the sale of ships	9,811	345,000
Other, net	(6,395)	352
Net cash used in investing activities	(383,323)	(775,238)
Financing Activities
Debt proceeds	915,000	1,408,368
Debt issuance costs	(48,190)	(80,619)
Repayments of debt	(1,263,769)	(1,786,414)
Extinguishment of unsecured senior notes	(344,150)
Dividends paid	(65,293)	(21,707)
Proceeds from exercise of common stock options	3,703	18,947
Other, net	1,228	10,413
Net cash used in financing activities	(801,471)	(451,012)
Effect of exchange rate changes on cash	(8,411)	(14,937)
Net (decrease) increase in cash and cash equivalents	(20,949)	31,531
Cash and cash equivalents at beginning of period	262,186	419,929
Cash and cash equivalents at end of period	241,237	451,460
Cash paid during the period for:
Interest, net of amount capitalized	$ 242,680	$ 269,625