1.0.0.3 false CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $) In Thousands false 1 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 false 2 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 5 CURRENT ASSETS: 3 us-gaap_AssetsCurrentAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 6 Cash and cash equivalents 4 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 true true 681107000 681107 false false 2 true true 222428000 222428 false false No definition available. No authoritative reference available. false 7 Receivables - trade and other 4 rdc_ReceivablesTradeAndOther rdc false debit instant monetary Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is... false false false false false false false false false 1 false true 361167000 361167 false false 2 false true 484962000 484962 false false Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collectio; and Carrying amounts due as of the balance sheet date from parties or arising from transactions not otherwise specified in the taxonomy. No authoritative reference available. false 8 Inventories - raw materials and supplies 4 rdc_RawMaterialsAndSupplies rdc false debit instant monetary Carrying amount as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. ... false false false false false false false false false 1 false true 318244000 318244 false false 2 false true 337503000 337503 false false Carrying amount as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product; and Carrying amount as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods. No authoritative reference available. false 9 Inventories - work-in-progress 4 us-gaap_InventoryWorkInProcess us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 161826000 161826 false false 2 false true 213177000 213177 false false No definition available. No authoritative reference available. false 10 Inventories - finished goods 4 us-gaap_InventoryFinishedGoods us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 715000 715 false false 2 false true 749000 749 false false No definition available. No authoritative reference available. false 11 Prepaid expenses and other current assets 4 rdc_PrepaidExpensesAndOtherCurrentAssets rdc false debit instant monetary Sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of... false false false false false false false false false 1 false true 84195000 84195 false false 2 false true 59466000 59466 false false Sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer and Aggregate carrying amount, as of the balance sheet date, of current assets not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). No authoritative reference available. false 12 Deferred tax assets - net 4 us-gaap_DeferredTaxAssetsNetCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 43647000 43647 false false 2 false true 50902000 50902 false false No definition available. No authoritative reference available. false 13 Total current assets 4 us-gaap_AssetsCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 1650901000 1650901 false false 2 false true 1369187000 1369187 false false No definition available. No authoritative reference available. true 14 PROPERTY, PLANT AND EQUIPMENT - at cost: 3 us-gaap_PropertyPlantAndEquipmentAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 15 Drilling equipment 4 rdc_DrillingEquipment rdc false debit instant monetary Machinery and Equipment, Drilling Services, Gross false false false false false false false false false 1 false true 3674265000 3674265 false false 2 false true 3503590000 3503590 false false Machinery and Equipment, Drilling Services, Gross No authoritative reference available. false 16 Manufacturing plant and equipment 4 rdc_ManufacturingPlantAndEquipment rdc false debit instant monetary Property, Plant and Equipment, Manufacturing Operations, Gross false false false false false false false false false 1 false true 250107000 250107 false false 2 false true 249725000 249725 false false Property, Plant and Equipment, Manufacturing Operations, Gross No authoritative reference available. false 17 Construction in progress 4 us-gaap_ConstructionInProgressGross us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 653125000 653125 false false 2 false true 425182000 425182 false false No definition available. No authoritative reference available. false 18 Other property and equipment 4 us-gaap_PropertyPlantAndEquipmentOther us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 140349000 140349 false false 2 false true 126915000 126915 false false No definition available. No authoritative reference available. false 19 Property, plant and equipment - gross 4 us-gaap_PropertyPlantAndEquipmentGross us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 4717846000 4717846 false false 2 false true 4305412000 4305412 false false No definition available. No authoritative reference available. true 20 Less accumulated depreciation and amortization 4 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1277839000 1277839 false false 2 false true 1157884000 1157884 false false No definition available. No authoritative reference available. false 21 Property, plant and equipment - net 4 us-gaap_PropertyPlantAndEquipmentNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 3440007000 3440007 false false 2 false true 3147528000 3147528 false false No definition available. No authoritative reference available. true 22 Other assets 3 us-gaap_OtherAssetsNoncurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 91674000 91674 false false 2 false true 32177000 32177 false false No definition available. No authoritative reference available. false 23 TOTAL ASSETS 3 us-gaap_Assets us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 5182582000 5182582 false false 2 false true 4548892000 4548892 false false No definition available. No authoritative reference available. true 24 CURRENT LIABILITIES: 3 us-gaap_LiabilitiesCurrentAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 25 Current maturities of long-term debt 4 us-gaap_LongTermDebtCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 64922000 64922 false false 2 false true 64922000 64922 false false No definition available. No authoritative reference available. false 26 Accounts payable - trade 4 us-gaap_AccountsPayableTradeCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 118275000 118275 false false 2 false true 235048000 235048 false false No definition available. No authoritative reference available. false 27 Deferred revenues 4 us-gaap_DeferredRevenueCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 156753000 156753 false false 2 false true 174086000 174086 false false No definition available. No authoritative reference available. false 28 Billings in excess of costs and estimated profits on uncompleted contracts 4 us-gaap_BillingsInExcessOfCost us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 40684000 40684 false false 2 false true 57119000 57119 false false No definition available. No authoritative reference available. false 29 Accrued compensation and related employee costs 4 us-gaap_EmployeeRelatedLiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 60613000 60613 false false 2 false true 108060000 108060 false false No definition available. No authoritative reference available. false 30 Accrued income taxes 4 us-gaap_AccruedIncomeTaxesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1479000 1479 false false 2 false true 58317000 58317 false false No definition available. No authoritative reference available. false 31 Other current liabilities 4 us-gaap_OtherLiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 49377000 49377 false false 2 false true 47090000 47090 false false No definition available. No authoritative reference available. false 32 Total current liabilities 5 us-gaap_LiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 492103000 492103 false false 2 false true 744642000 744642 false false No definition available. No authoritative reference available. true 33 Long-term debt - less current maturities 5 us-gaap_LongTermDebtNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 801162000 801162 false false 2 false true 355560000 355560 false false No definition available. No authoritative reference available. false 34 Other liabilities 5 us-gaap_OtherLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 427115000 427115 false false 2 false true 362026000 362026 false false No definition available. No authoritative reference available. false 35 Deferred income taxes - net 5 us-gaap_DeferredTaxLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 490135000 490135 false false 2 false true 426848000 426848 false false No definition available. No authoritative reference available. false 36 STOCKHOLDERS' EQUITY 3 us-gaap_StockholdersEquityAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 37 Common Stock 4 us-gaap_CommonStockValue us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 14233000 14233 false false 2 false true 14141000 14141 false false No definition available. No authoritative reference available. false 38 Additional paid-in capital 4 us-gaap_AdditionalPaidInCapital us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1069106000 1069106 false false 2 false true 1063202000 1063202 false false No definition available. No authoritative reference available. false 39 Retained earnings 4 us-gaap_RetainedEarningsAccumulatedDeficit us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 2108697000 2108697 false false 2 false true 1802022000 1802022 false false No definition available. No authoritative reference available. false 40 Cost of treasury shares 4 us-gaap_TreasuryStockValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true -2953000 -2953 false false 2 false true -2533000 -2533 false false No definition available. No authoritative reference available. false 41 Accumulated other comprehensive loss 4 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true -217016000 -217016 false false 2 false true -217016000 -217016 false false No definition available. No authoritative reference available. false 42 Total stockholders' equity 4 us-gaap_StockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 2972067000 2972067 false false 2 false true 2659816000 2659816 false false No definition available. No authoritative reference available. true 43 TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY 3 us-gaap_LiabilitiesAndStockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 true true 5182582000 5182582 false false 2 true true 4548892000 4548892 false false No definition available. No authoritative reference available. true false 2 39 false Thousands UnKnown UnKnown false true