CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 339,154	$ 1,092,844
Receivables - trade and other	545,204	344,546
Prepaid expenses and other current assets	29,253	45,538
Deferred income taxes - net	27,485	22,137
Assets of discontinued operations	0	23,813
Total current assets	941,096us-gaap_AssetsCurrent	1,528,878us-gaap_AssetsCurrent
PROPERTY, PLANT AND EQUIPMENT:
Drilling equipment	7,639,171us-gaap_MachineryAndEquipmentGross	7,040,451us-gaap_MachineryAndEquipmentGross
Construction in progress	1,023,646us-gaap_ConstructionInProgressGross	1,009,380us-gaap_ConstructionInProgressGross
Other property and equipment	137,365us-gaap_PropertyPlantAndEquipmentOther	147,884us-gaap_PropertyPlantAndEquipmentOther
Property, plant and equipment - gross	8,800,182us-gaap_PropertyPlantAndEquipmentGross	8,197,715us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization	1,367,970	1,811,960
Property, plant and equipment - net	7,432,212us-gaap_PropertyPlantAndEquipmentNet	6,385,755us-gaap_PropertyPlantAndEquipmentNet
Other assets	37,884us-gaap_OtherAssetsNoncurrent	61,128us-gaap_OtherAssetsNoncurrent
TOTAL ASSETS	8,411,192us-gaap_Assets	7,975,761us-gaap_Assets
CURRENT LIABILITIES:
Accounts payable - trade	102,773us-gaap_AccountsPayableTradeCurrent	123,976us-gaap_AccountsPayableTradeCurrent
Deferred revenues	36,189us-gaap_DeferredRevenueCurrent	54,515us-gaap_DeferredRevenueCurrent
Accrued liabilities	194,259us-gaap_AccruedLiabilitiesCurrent	155,971us-gaap_AccruedLiabilitiesCurrent
Liabilities of discontinued operations	0	20,122
Total current liabilities	333,221us-gaap_LiabilitiesCurrent	354,584us-gaap_LiabilitiesCurrent
Long-term debt	2,807,324us-gaap_LongTermDebt	2,008,700us-gaap_LongTermDebt
Other liabilities	368,266us-gaap_OtherLiabilitiesNoncurrent	289,061us-gaap_OtherLiabilitiesNoncurrent
Deferred income taxes - net	210,982	429,655
Commitments and contingent liabilities	0us-gaap_CommitmentsAndContingencies	0us-gaap_CommitmentsAndContingencies
SHAREHOLDERS' EQUITY:
Class A Ordinary Shares, $0.125 par value, 124,828,807 and 124,778,407 shares issued at December 31, 2014 and 2013, respectively	15,604us-gaap_CommonStockValue	15,597us-gaap_CommonStockValue
Additional paid-in capital	1,436,910us-gaap_AdditionalPaidInCapital	1,407,031us-gaap_AdditionalPaidInCapital
Retained earnings	3,466,993	3,619,540
Cost of 264,903 and 542,475 treasury shares at December 31, 2014 and 2013, respectively	(7,990)us-gaap_TreasuryStockValue	(5,962)us-gaap_TreasuryStockValue
Accumulated other comprehensive loss	(220,118)	(142,445)
Total shareholders' equity	4,691,399us-gaap_StockholdersEquity	4,893,761us-gaap_StockholdersEquity
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 8,411,192	$ 7,975,761

Amount due from customers, clients, or other third-parties, or arising from transactions not separately disclosed, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

No definition available.