CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (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
Passenger ticket revenues	$ 1,332,207	$ 1,296,789	$ 2,684,445	$ 2,523,306
Onboard and other revenues	488,797	471,084	971,039	916,562
Total revenues	1,821,004	1,767,873	3,655,484	3,439,868
Cruise operating expenses:
Commissions, transportation and other	307,697	299,174	628,435	578,723
Onboard and other	130,981	134,938	238,576	237,428
Payroll and related	206,519	198,794	416,633	403,281
Food	109,300	99,149	222,925	199,231
Fuel	237,961	188,128	466,955	354,189
Other operating	303,556	265,192	577,602	513,594
Total cruise operating expenses	1,296,014	1,185,375	2,551,126	2,286,446
Marketing, selling and administrative expenses	247,571	242,258	512,172	490,396
Depreciation and amortization expenses	180,514	172,050	359,906	345,302
Operating Income	96,905	168,190	232,280	317,724
Other income (expense):
Interest income	4,972	6,478	11,318	10,259
Interest expense, net of interest capitalized	(89,106)	(92,968)	(181,772)	(193,593)
Other (expense) income	(16,424)	11,791	(18,515)	37,511
Total other income (expense)	(100,558)	(74,699)	(188,969)	(145,823)
Net (Loss) Income	(3,653)	93,491	43,311	171,901
(Loss) Earnings per Share:
Basic (in dollars per share)	$ (0.02)	$ 0.43	$ 0.20	$ 0.79
Diluted (in dollars per share)	$ (0.02)	$ 0.43	$ 0.20	$ 0.78
Weighted-Average Shares Outstanding:
Basic (in shares)	217,866	217,028	217,725	216,771
Diluted (in shares)	217,866	219,370	219,217	219,516
Comprehensive Income (Loss)
Net (Loss) Income	(3,653)	93,491	43,311	171,901
Other comprehensive income (loss):
Foreign currency translation adjustments	(12,361)	16,521	(9,021)	208,775
Change in defined benefit plans		(216)		(216)
(Loss) Gain on cash flow derivative hedges	(288,252)	9,488	(140,782)	39,389
Total other comprehensive (loss) income	(300,613)	25,793	(149,803)	247,948
Comprehensive (Loss) Income	$ (304,266)	$ 119,284	$ (106,492)	$ 419,849