COMPANY INQUIRY AND RESTATEMENT (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010	Dec. 31, 2009
ASSETS
Cash and cash equivalents	$ 507,342	$ 54,877		$ 253,649	$ 474,690
Voyage receivables	179,259	168,313
Income taxes recoverable	0	5,441
Other receivables	28,900	25,107
Inventories	15,532	19,219
Prepaid expenses and other current assets	40,394	47,401
Total Current Assets	771,427	320,358
Vessels and other property, less accumulated depreciation	2,837,288	3,226,923
Deferred drydock expenditures, net	74,418	66,023		46,827	58,535
Total Vessels, Deferred Drydock and Other Property	2,911,706	3,292,946
Investments in Affiliated Companies	252,398	232,370
Intangible Assets, less accumulated amortization	71,975	77,158
Goodwill	9,589	9,589
Other Assets	26,440	61,124
Total Assets	4,043,535	3,993,545		3,854,237
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other current liabilities	99,273	124,743
Income taxes payable	329,799	368
Current installments of long-term debt	0	14,990
Total Current Liabilities	454,972	140,101
Reserve for Uncertain Tax Positions	17,067	323,403
Long-term Debt	0	2,050,902
Deferred Gain on Sale and Leaseback of Vessels	3,839	11,051
Deferred Income Taxes	343,162	396,679
Other Liabilities	37,712	69,117
Total Liabilities	3,509,289	2,991,253
Equity:
Common stock	44,291	44,291
Paid-in additional capital	414,411	413,016
Retained earnings	1,024,480	1,504,594
Stockholders' Equity before Treasury Stock	1,483,182	1,961,901
Cost of treasury stock	835,155	840,302
Stockholders' Equity Subtotal	648,027	1,121,599
Accumulated other comprehensive loss	(113,781)	(119,307)
Total Equity	534,246	1,002,292		1,283,153	1,867,855
Total Liabilities and Equity	4,043,535	3,993,545
Scenario, Previously Reported [Member]
ASSETS
Cash and cash equivalents		54,877
Voyage receivables		168,313
Income taxes recoverable		27,365
Other receivables		24,972
Inventories		19,219
Prepaid expenses and other current assets		47,401
Total Current Assets		342,147
Vessels and other property, less accumulated depreciation		3,226,923
Deferred drydock expenditures, net		66,023
Total Vessels, Deferred Drydock and Other Property		3,292,946
Investments in Affiliated Companies		251,385
Intangible Assets, less accumulated amortization		77,158
Goodwill		9,589
Other Assets		61,124
Total Assets		4,034,349
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other current liabilities		125,111
Income taxes payable		0
Current installments of long-term debt		14,990
Total Current Liabilities		140,101
Reserve for Uncertain Tax Positions		4,804
Long-term Debt		2,050,902
Deferred Gain on Sale and Leaseback of Vessels		11,051
Deferred Income Taxes		203,129
Other Liabilities		69,117
Total Liabilities		2,479,104
Equity:
Common stock		44,291
Paid-in additional capital		413,016
Retained earnings		2,040,031
Stockholders' Equity before Treasury Stock		2,497,338
Cost of treasury stock		840,302
Stockholders' Equity Subtotal		1,657,036
Accumulated other comprehensive loss		(101,791)
Total Equity		1,555,245
Total Liabilities and Equity		4,034,349
Scenario, Adjustment [Member]
ASSETS
Income taxes recoverable		(21,924)	[1]
Other receivables		135	[1]
Total Current Assets		(21,789)
Investments in Affiliated Companies		(19,015)	[2]
Total Assets		(40,804)
LIABILITIES AND EQUITY
Accounts payable, accrued expenses and other current liabilities		(368)	[3]
Income taxes payable		368
Total Current Liabilities		0
Reserve for Uncertain Tax Positions		318,599	[1],[4]
Deferred Income Taxes		193,550	[5]
Total Liabilities		512,149
Equity:
Retained earnings		(535,437)	[6]
Stockholders' Equity before Treasury Stock		(535,437)
Stockholders' Equity Subtotal		(535,437)
Accumulated other comprehensive loss		(17,516)	[2]
Total Equity		(552,953)
Total Liabilities and Equity		$ (40,804)

[1] To adjust income taxes recoverable to reflect the reserve for uncertain tax positions.

[2] To adjust for the cumulative overstatement in investments in affiliated companies and accumulated other comprehensive loss resulting from the correction of an error in the method used to estimate the credit valuation adjustments associated with the fair valuation of the interest rate swap derivative contracts of certain of the Company’s equity method investees.

[3] To reclassify $368 to conform to 2012 balance sheet presentation of tax accounts.

[4] To record a reserve for the tax liability of uncertain tax positions, primarily resulting from deemed dividends by OIN and relating to intercompany balances as described in Note 2.

[5] To adjust the deferred income tax liability for the tax effects of unremitted earnings of foreign subsidiaries, to reflect the utilization of net operating loss carryforwards to offset the deemed distributions by OIN, and to establish a deferred tax asset for the benefit of accrued interest.

[6] To record cumulative reductions to retained earnings of $1,499 relating to the credit valuation error described above and of $533,938 resulting primarily from the errors relating to the Company’s assertion concerning its intent and ability to permanently reinvest earnings from foreign shipping operations accumulated through December 31, 2011.