2.4.0.8 Html 276 319 1 true 95 0 false 7 false false R1.htm 0001000 - Document - Document And Entity Information Sheet http://www.steelexcel.com/role/DocumentAndEntityInformation Document And Entity Information false false R2.htm 1001000 - Statement - Consolidated Statements of Operations Sheet http://www.steelexcel.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations false false R3.htm 1002000 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.steelexcel.com/role/ConsolidatedStatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income true false R4.htm 1003000 - Statement - Consolidated Balance Sheets Sheet http://www.steelexcel.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets false false R5.htm 1003501 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://www.steelexcel.com/role/ConsolidatedBalanceSheetsParentheticals Consolidated Balance Sheets (Parentheticals) false false R6.htm 1004000 - Statement - Consolidated Statements of Stockholders' Equity Sheet http://www.steelexcel.com/role/ConsolidatedStatementsOfStockholdersEquity Consolidated Statements of Stockholders' Equity false false R7.htm 1005000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.steelexcel.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows false false R8.htm 2102100 - Disclosure - Description and Basis of Presentation Sheet http://www.steelexcel.com/role/DescriptionAndBasisOfPresentation Description and Basis of Presentation false false R9.htm 2103100 - Disclosure - Recent Accounting Pronouncements Sheet http://www.steelexcel.com/role/RecentAccountingPronouncements Recent Accounting Pronouncements false false R10.htm 2104100 - Disclosure - Acquisitions Sheet http://www.steelexcel.com/role/Acquisitions Acquisitions false false R11.htm 2105100 - Disclosure - Discontinued Operations Sheet http://www.steelexcel.com/role/DiscontinuedOperations Discontinued Operations false false R12.htm 2106100 - Disclosure - Investments Sheet http://www.steelexcel.com/role/Investments Investments false false R13.htm 2107100 - Disclosure - Fair Value Measurements Sheet http://www.steelexcel.com/role/FairValueMeasurements Fair Value Measurements false false R14.htm 2108100 - Disclosure - Property and Equipment, Net Sheet http://www.steelexcel.com/role/PropertyAndEquipmentNet Property and Equipment, Net false false R15.htm 2109100 - Disclosure - Goodwill and Other Intangible Assets Sheet http://www.steelexcel.com/role/GoodwillAndOtherIntangibleAssets Goodwill and Other Intangible Assets false false R16.htm 2110100 - Disclosure - Long-term Debt Sheet http://www.steelexcel.com/role/LongTermDebt Long-term Debt false false R17.htm 2111100 - Disclosure - Other Liabilities Sheet http://www.steelexcel.com/role/OtherLiabilities Other Liabilities false false R18.htm 2112100 - Disclosure - Interest and Other Income Sheet http://www.steelexcel.com/role/InterestAndOtherIncome Interest and Other Income false false R19.htm 2113100 - Disclosure - Income Taxes Sheet http://www.steelexcel.com/role/IncomeTaxes Income Taxes false false R20.htm 2114100 - Disclosure - Stock Benefit Plans Sheet http://www.steelexcel.com/role/StockBenefitPlans Stock Benefit Plans false false R21.htm 2115100 - Disclosure - Net Income (Loss) Per Share Sheet http://www.steelexcel.com/role/NetIncomeLossPerShare Net Income (Loss) Per Share false false R22.htm 2116100 - Disclosure - Accumulated Other Comprehensive Income Sheet http://www.steelexcel.com/role/AccumulatedOtherComprehensiveIncome Accumulated Other Comprehensive Income false false R23.htm 2117100 - Disclosure - Segment Information Sheet http://www.steelexcel.com/role/SegmentInformation Segment Information false false R24.htm 2118100 - Disclosure - Related Party Transactions Sheet http://www.steelexcel.com/role/RelatedPartyTransactions Related Party Transactions false false R25.htm 2119100 - Disclosure - Supplemental Cash Flow Information Sheet http://www.steelexcel.com/role/SupplementalCashFlowInformation Supplemental Cash Flow Information false false R26.htm 2120100 - Disclosure - Stock Split Sheet http://www.steelexcel.com/role/StockSplit Stock Split false false R27.htm 2304301 - Disclosure - Acquisitions (Tables) Sheet http://www.steelexcel.com/role/AcquisitionsTables Acquisitions (Tables) false false R28.htm 2306301 - Disclosure - Investments (Tables) Sheet http://www.steelexcel.com/role/InvestmentsTables Investments (Tables) false false R29.htm 2307301 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.steelexcel.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) false false R30.htm 2308301 - Disclosure - Property and Equipment (Tables) Sheet http://www.steelexcel.com/role/PropertyAndEquipmentTables Property and Equipment (Tables) false false R31.htm 2309301 - Disclosure - Goodwill and Other Intangible Assets (Tables) Sheet http://www.steelexcel.com/role/GoodwillAndOtherIntangibleAssetsTables Goodwill and Other Intangible Assets (Tables) false false R32.htm 2310301 - Disclosure - Long-term Debt (Tables) Sheet http://www.steelexcel.com/role/LongTermDebtTables Long-term Debt (Tables) false false R33.htm 2311301 - Disclosure - Other Liabilities (Tables) Sheet http://www.steelexcel.com/role/OtherLiabilitiesTables Other Liabilities (Tables) false false R34.htm 2312301 - Disclosure - Interest and Other Income (Tables) Sheet http://www.steelexcel.com/role/InterestAndOtherIncomeTables Interest and Other Income (Tables) false false R35.htm 2314301 - Disclosure - Stock Benefit Plans (Tables) Sheet http://www.steelexcel.com/role/StockBenefitPlansTables Stock Benefit Plans (Tables) false false R36.htm 2315301 - Disclosure - Net Income (Loss) Per Share (Tables) Sheet http://www.steelexcel.com/role/NetIncomeLossPerShareTables Net Income (Loss) Per Share (Tables) false false R37.htm 2316301 - Disclosure - Accumulated Other Comprehensive Income (Tables) Sheet http://www.steelexcel.com/role/AccumulatedOtherComprehensiveIncomeTables Accumulated Other Comprehensive Income (Tables) false false R38.htm 2317301 - Disclosure - Segment Information (Tables) Sheet http://www.steelexcel.com/role/SegmentInformationTables Segment Information (Tables) false false R39.htm 2319301 - Disclosure - Supplemental Cash Flows Information (Tables) Sheet http://www.steelexcel.com/role/SupplementalCashFlowsInformationTables Supplemental Cash Flows Information (Tables) false false R40.htm 2402401 - Disclosure - Description and Basis of Presentation (Detail) Sheet http://www.steelexcel.com/role/DescriptionAndBasisOfPresentationDetail Description and Basis of Presentation (Detail) false false R41.htm 2404402 - Disclosure - Acquisitions (Detail) Sheet http://www.steelexcel.com/role/AcquisitionsDetail Acquisitions (Detail) false false R42.htm 2404403 - Disclosure - Acquisitions - Purchase Price Allocation (Detail) Sheet http://www.steelexcel.com/role/AcquisitionsPurchasePriceAllocationDetail Acquisitions - Purchase Price Allocation (Detail) false false R43.htm 2404404 - Disclosure - Acquisitions - Pro Forma Financial Information (Detail) Sheet http://www.steelexcel.com/role/AcquisitionsProFormaFinancialInformationDetail Acquisitions - Pro Forma Financial Information (Detail) false false R44.htm 2405401 - Disclosure - Discontinued Operations - Revenues and the components of income related to discontinued operations (Detail) Sheet http://www.steelexcel.com/role/DiscontinuedOperationsRevenuesAndComponentsOfIncomeRelatedToDiscontinuedOperationsDetail Discontinued Operations - Revenues and the components of income related to discontinued operations (Detail) false false R45.htm 2406402 - Disclosure - Investments (Detail) Sheet http://www.steelexcel.com/role/InvestmentsDetail Investments (Detail) false false R46.htm 2406403 - Disclosure - Investments - Portfolio of marketable securities (Detail) Sheet http://www.steelexcel.com/role/InvestmentsPortfolioOfMarketableSecuritiesDetail Investments - Portfolio of marketable securities (Detail) false false R47.htm 2406404 - Disclosure - Investments - Fair value and gross unrealized losses of the available for sale securities (Detail) Sheet http://www.steelexcel.com/role/InvestmentsFairValueAndGrossUnrealizedLossesOfAvailableForSaleSecuritiesDetail Investments - Fair value and gross unrealized losses of the available for sale securities (Detail) false false R48.htm 2406405 - Disclosure - Investments - Amortized cost and estimated fair value of investments in available-for-sale securities, by contractual maturity (Details) Sheet http://www.steelexcel.com/role/InvestmentsAmortizedCostAndEstimatedFairValueOfInvestmentsInAvailableForSaleSecuritiesByContractualMaturityDetails Investments - Amortized cost and estimated fair value of investments in available-for-sale securities, by contractual maturity (Details) false false R49.htm 2406406 - Disclosure - Investments - Financial Instrument Obligations (Details) Sheet http://www.steelexcel.com/role/InvestmentsFinancialInstrumentObligationsDetails Investments - Financial Instrument Obligations (Details) false false R50.htm 2406407 - Disclosure - Investments - Equity Method Investments (Details) Sheet http://www.steelexcel.com/role/InvestmentsEquityMethodInvestmentsDetails Investments - Equity Method Investments (Details) false false R51.htm 2407402 - Disclosure - Fair Value Measurements (Detail) Sheet http://www.steelexcel.com/role/FairValueMeasurementsDetail Fair Value Measurements (Detail) false false R52.htm 2407403 - Disclosure - Fair Value Measurements - Financial assets measured at fair value on a recurring basis (Detail) Sheet http://www.steelexcel.com/role/FairValueMeasurementsFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetail Fair Value Measurements - Financial assets measured at fair value on a recurring basis (Detail) false false R53.htm 2407404 - Disclosure - Fair Value Measurements - Reconciliation of the beginning and ending balances of the Level 3 assets and liabilities (Detail) Sheet http://www.steelexcel.com/role/FairValueMeasurementsReconciliationOfBeginningAndEndingBalancesOfLevel3AssetsAndLiabilitiesDetail Fair Value Measurements - Reconciliation of the beginning and ending balances of the Level 3 assets and liabilities (Detail) false false R54.htm 2408402 - Disclosure - Property and Equipment (Detail) Sheet http://www.steelexcel.com/role/PropertyAndEquipmentDetail Property and Equipment (Detail) false false R55.htm 2408403 - Disclosure - Property and Equipment - Schedule (Detail) Sheet http://www.steelexcel.com/role/PropertyAndEquipmentScheduleDetail Property and Equipment - Schedule (Detail) false false R56.htm 2409402 - Disclosure - Goodwill and Other Intangible Assets (Details) Sheet http://www.steelexcel.com/role/GoodwillAndOtherIntangibleAssetsDetails Goodwill and Other Intangible Assets (Details) false false R57.htm 2409403 - Disclosure - Goodwill and Other Intangible Assets - Intangible Assets, net (Detail) Sheet http://www.steelexcel.com/role/GoodwillAndOtherIntangibleAssetsIntangibleAssetsNetDetail Goodwill and Other Intangible Assets - Intangible Assets, net (Detail) false false R58.htm 2409404 - Disclosure - Goodwill and Other Intangible Assets - Estimated Aggregate Future Amortization Expense: (Details) Sheet http://www.steelexcel.com/role/GoodwillAndOtherIntangibleAssetsEstimatedAggregateFutureAmortizationExpenseDetails Goodwill and Other Intangible Assets - Estimated Aggregate Future Amortization Expense: (Details) false false R59.htm 2409405 - Disclosure - Goodwill and Other Intangible Assets - Goodwill reconciliation (Details) Sheet http://www.steelexcel.com/role/GoodwillAndOtherIntangibleAssetsGoodwillReconciliationDetails Goodwill and Other Intangible Assets - Goodwill reconciliation (Details) false false R60.htm 2409406 - Disclosure - Goodwill and Other Intangible Assets - Components of Goodwill (Details) Sheet http://www.steelexcel.com/role/GoodwillAndOtherIntangibleAssetsComponentsOfGoodwillDetails Goodwill and Other Intangible Assets - Components of Goodwill (Details) false false R61.htm 2410402 - Disclosure - Long-term Debt (Details) Sheet http://www.steelexcel.com/role/LongTermDebtDetails Long-term Debt (Details) false false R62.htm 2410403 - Disclosure - Long-term Debt - Assets Pledged as Collateral (Details) Sheet http://www.steelexcel.com/role/LongTermDebtAssetsPledgedAsCollateralDetails Long-term Debt - Assets Pledged as Collateral (Details) false false R63.htm 2410404 - Disclosure - Long-term Debt - Principal payments under the Energy Credit Agreement (Details) Sheet http://www.steelexcel.com/role/LongTermDebtPrincipalPaymentsUnderEnergyCreditAgreementDetails Long-term Debt - Principal payments under the Energy Credit Agreement (Details) false false R64.htm 2411402 - Disclosure - Other Liabilities - Accrued and other liabilities (Detail) Sheet http://www.steelexcel.com/role/OtherLiabilitiesAccruedAndOtherLiabilitiesDetail Other Liabilities - Accrued and other liabilities (Detail) false false R65.htm 2411403 - Disclosure - Other Liabilities - Other long-term liabilities (Detail) Sheet http://www.steelexcel.com/role/OtherLiabilitiesOtherLongTermLiabilitiesDetail Other Liabilities - Other long-term liabilities (Detail) false false R66.htm 2412402 - Disclosure - Interest and Other Income - Interest Income, Net (Details) Sheet http://www.steelexcel.com/role/InterestAndOtherIncomeInterestIncomeNetDetails Interest and Other Income - Interest Income, Net (Details) false false R67.htm 2412403 - Disclosure - Interest and Other Income - Other Income (Expense), Net (Details) Sheet http://www.steelexcel.com/role/InterestAndOtherIncomeOtherIncomeExpenseNetDetails Interest and Other Income - Other Income (Expense), Net (Details) false false R68.htm 2413401 - Disclosure - Income Taxes (Detail) Sheet http://www.steelexcel.com/role/IncomeTaxesDetail Income Taxes (Detail) false false R69.htm 2414402 - Disclosure - Stock Benefit Plans - Stock-based compensation expenses (Detail) Sheet http://www.steelexcel.com/role/StockBenefitPlansStockBasedCompensationExpensesDetail Stock Benefit Plans - Stock-based compensation expenses (Detail) false false R70.htm 2414403 - Disclosure - Stock Benefit Plans Restricted Stock Activity (Details) Sheet http://www.steelexcel.com/role/StockBenefitPlansRestrictedStockActivityDetails Stock Benefit Plans Restricted Stock Activity (Details) false false R71.htm 2415402 - Disclosure - Net Income (Loss) Per Share - Reconciliation of the numerator and denominator of the basic and diluted net (loss) income per share (Detail) Sheet http://www.steelexcel.com/role/NetIncomeLossPerShareReconciliationOfNumeratorAndDenominatorOfBasicAndDilutedNetLossIncomePerShareDetail Net Income (Loss) Per Share - Reconciliation of the numerator and denominator of the basic and diluted net (loss) income per share (Detail) false false R72.htm 2416402 - Disclosure - Accumulated Other Comprehensive Income - Changes, net of tax, in Accumulated other comprehensive income are as follows (Detail) Sheet http://www.steelexcel.com/role/AccumulatedOtherComprehensiveIncomeChangesNetOfTaxInAccumulatedOtherComprehensiveIncomeAreAsFollowsDetail Accumulated Other Comprehensive Income - Changes, net of tax, in Accumulated other comprehensive income are as follows (Detail) false false R73.htm 2417402 - Disclosure - Segment Information (Detail) Sheet http://www.steelexcel.com/role/SegmentInformationDetail Segment Information (Detail) false false R74.htm 2417403 - Disclosure - Segment Information - Operating results (Detail) Sheet http://www.steelexcel.com/role/SegmentInformationOperatingResultsDetail Segment Information - Operating results (Detail) false false R75.htm 2417404 - Disclosure - Segment Information - Assets (Detail) Sheet http://www.steelexcel.com/role/SegmentInformationAssetsDetail Segment Information - Assets (Detail) false false R76.htm 2418401 - Disclosure - Related Party Transactions (Detail) Sheet http://www.steelexcel.com/role/RelatedPartyTransactionsDetail Related Party Transactions (Detail) false false R77.htm 2419402 - Disclosure - Supplemental Cash Flow Information (Detail) Sheet http://www.steelexcel.com/role/SupplementalCashFlowInformationDetail Supplemental Cash Flow Information (Detail) false false R78.htm 2420401 - Disclosure - Stock Split (Details) Sheet http://www.steelexcel.com/role/StockSplitDetails Stock Split (Details) false false All Reports Book All Reports Element sxcl_AvailableforSaleSecuritiesRealizedGainLossReclassification had a mix of decimals attribute values: -5 -3. Element sxcl_EquityMethodInvestmentOwnershipPercentageOutstandingShares had a mix of decimals attribute values: 2 3. Element us-gaap_AssetsFairValueDisclosure had a mix of decimals attribute values: -5 -3. Element us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles had a mix of decimals attribute values: -5 -3. Element us-gaap_ConvertibleNotesPayableCurrent had a mix of decimals attribute values: -5 -3. Element us-gaap_CostMethodInvestments had a mix of decimals attribute values: -5 -3. Element us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax had a mix of decimals attribute values: -5 -3. Element us-gaap_EquityMethodInvestmentsFairValueDisclosure had a mix of decimals attribute values: -5 -3. Element us-gaap_GoodwillImpairmentLoss had a mix of decimals attribute values: -5 -3. Element us-gaap_InterestExpense had a mix of decimals attribute values: -5 -3. Element us-gaap_LongTermDebt had a mix of decimals attribute values: -3 0. Element us-gaap_RepaymentsOfLongTermDebt had a mix of decimals attribute values: -5 -3. Element us-gaap_StockIssuedDuringPeriodSharesReverseStockSplits had a mix of decimals attribute values: -3 0. 'Shares' elements on report '1004000 - Statement - Consolidated Statements of Stockholders' Equity' had a mix of different decimal attribute values. 'Monetary' elements on report '2404402 - Disclosure - Acquisitions (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '2405401 - Disclosure - Discontinued Operations - Revenues and the components of income related to discontinued operations (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '2406402 - Disclosure - Investments (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '2413401 - Disclosure - Income Taxes (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '2418401 - Disclosure - Related Party Transactions (Detail)' had a mix of different decimal attribute values. Process Flow-Through: 1001000 - Statement - Consolidated Statements of Operations Process Flow-Through: 1002000 - Statement - Consolidated Statements of Comprehensive Income Process Flow-Through: 1003000 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Sep. 30, 2013' Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: 1003501 - Statement - Consolidated Balance Sheets (Parentheticals) Process Flow-Through: 1005000 - Statement - Consolidated Statements of Cash Flows sxcl-20140930.xml sxcl-20140930.xsd sxcl-20140930_cal.xml sxcl-20140930_def.xml sxcl-20140930_lab.xml sxcl-20140930_pre.xml true true