2.4.0.6 Html 168 272 1 true 61 0 false 7 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.catamaranrx.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.catamaranrx.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets false false R3.htm 1001501 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://www.catamaranrx.com/role/ConsolidatedBalanceSheetsParentheticals Consolidated Balance Sheets (Parentheticals) false false R4.htm 1002000 - Statement - Consolidated Statements of Operations Sheet http://www.catamaranrx.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations false false R5.htm 1003000 - Statement - Consolidated Statement of Other Comprehensive Income Sheet http://www.catamaranrx.com/role/ConsolidatedStatementOfOtherComprehensiveIncome Consolidated Statement of Other Comprehensive Income false false R6.htm 1004000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.catamaranrx.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows false false R7.htm 1005000 - Statement - Consolidated Statements of Shareholders' Equity Sheet http://www.catamaranrx.com/role/ConsolidatedStatementsOfShareholdersEquity Consolidated Statements of Shareholders' Equity false false R8.htm 2101100 - Disclosure - Description of Business Sheet http://www.catamaranrx.com/role/DescriptionOfBusiness Description of Business false false R9.htm 2102100 - Disclosure - Basis of Presentation Sheet http://www.catamaranrx.com/role/BasisOfPresentation Basis of Presentation false false R10.htm 2103100 - Disclosure - Recent Accounting Pronouncements Sheet http://www.catamaranrx.com/role/RecentAccountingPronouncements Recent Accounting Pronouncements false false R11.htm 2104100 - Disclosure - Stock Split Sheet http://www.catamaranrx.com/role/StockSplit Stock Split false false R12.htm 2105100 - Disclosure - Business Combinations Sheet http://www.catamaranrx.com/role/BusinessCombinations Business Combinations false false R13.htm 2106100 - Disclosure - Variable Interest Entity Sheet http://www.catamaranrx.com/role/VariableInterestEntity Variable Interest Entity false false R14.htm 2107100 - Disclosure - Goodwill and Other Intangible Assets Sheet http://www.catamaranrx.com/role/GoodwillAndOtherIntangibleAssets Goodwill and Other Intangible Assets false false R15.htm 2108100 - Disclosure - Debt Sheet http://www.catamaranrx.com/role/Debt Debt false false R16.htm 2109100 - Disclosure - Stock-Based Compensation Sheet http://www.catamaranrx.com/role/StockBasedCompensation Stock-Based Compensation false false R17.htm 2110100 - Disclosure - Segment Information Sheet http://www.catamaranrx.com/role/SegmentInformation Segment Information false false R18.htm 2111100 - Disclosure - Income Taxes Sheet http://www.catamaranrx.com/role/IncomeTaxes Income Taxes false false R19.htm 2112100 - Disclosure - Commitments and Contingencies Sheet http://www.catamaranrx.com/role/CommitmentsAndContingencies Commitments and Contingencies false false R20.htm 2113100 - Disclosure - Derivative Instruments Sheet http://www.catamaranrx.com/role/DerivativeInstruments Derivative Instruments false false R21.htm 2114100 - Disclosure - Fair Value Sheet http://www.catamaranrx.com/role/FairValue Fair Value false false R22.htm 2115100 - Disclosure - Earnings Per Share Sheet http://www.catamaranrx.com/role/EarningsPerShare Earnings Per Share false false R23.htm 2117100 - Disclosure - Concentration Risk Sheet http://www.catamaranrx.com/role/ConcentrationRisk Concentration Risk false false R24.htm 2202201 - Disclosure - Basis of Presentation (Policies) Sheet http://www.catamaranrx.com/role/BasisOfPresentationPolicies Basis of Presentation (Policies) false false R25.htm 2305301 - Disclosure - Business Combinations (Tables) Sheet http://www.catamaranrx.com/role/BusinessCombinationsTables Business Combinations (Tables) false false R26.htm 2307301 - Disclosure - Goodwill and Other Intangible Assets (Tables) Sheet http://www.catamaranrx.com/role/GoodwillAndOtherIntangibleAssetsTables Goodwill and Other Intangible Assets (Tables) false false R27.htm 2308301 - Disclosure - Debt (Tables) Sheet http://www.catamaranrx.com/role/DebtTables Debt (Tables) false false R28.htm 2309301 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.catamaranrx.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) false false R29.htm 2310301 - Disclosure - Segment Information (Tables) Sheet http://www.catamaranrx.com/role/SegmentInformationTables Segment Information (Tables) false false R30.htm 2314301 - Disclosure - Fair Value (Tables) Sheet http://www.catamaranrx.com/role/FairValueTables Fair Value (Tables) false false R31.htm 2315301 - Disclosure - Earnings Per Share (Tables) Sheet http://www.catamaranrx.com/role/EarningsPerShareTables Earnings Per Share (Tables) false false R32.htm 2404401 - Disclosure - Stock Split (Details) Sheet http://www.catamaranrx.com/role/StockSplitDetails Stock Split (Details) false false R33.htm 2405402 - Disclosure - Business Combinations (Details) Sheet http://www.catamaranrx.com/role/BusinessCombinationsDetails Business Combinations (Details) false false R34.htm 2406401 - Disclosure - Variable Interest Entity (Details) Sheet http://www.catamaranrx.com/role/VariableInterestEntityDetails Variable Interest Entity (Details) false false R35.htm 2407402 - Disclosure - Goodwill and Other Intangible Assets (Details) Sheet http://www.catamaranrx.com/role/GoodwillAndOtherIntangibleAssetsDetails Goodwill and Other Intangible Assets (Details) false false R36.htm 2407403 - Disclosure - Goodwill and Other Intangible Assets (Details) 1 Sheet http://www.catamaranrx.com/role/GoodwillAndOtherIntangibleAssetsDetails1 Goodwill and Other Intangible Assets (Details) 1 false false R37.htm 2408402 - Disclosure - Debt (Details) Sheet http://www.catamaranrx.com/role/DebtDetails Debt (Details) false false R38.htm 2409402 - Disclosure - Stock-Based Compensation (Details) 1 Sheet http://www.catamaranrx.com/role/StockBasedCompensationDetails1 Stock-Based Compensation (Details) 1 false false R39.htm 2409403 - Disclosure - Stock-Based Compensation (Details) 2 Sheet http://www.catamaranrx.com/role/StockBasedCompensationDetails2 Stock-Based Compensation (Details) 2 false false R40.htm 2410402 - Disclosure - Segment Information (Details) Sheet http://www.catamaranrx.com/role/SegmentInformationDetails Segment Information (Details) false false R41.htm 2411401 - Disclosure - Income Taxes (Details) Sheet http://www.catamaranrx.com/role/IncomeTaxesDetails Income Taxes (Details) false false R42.htm 2413401 - Disclosure - Derivative Instruments (Details) Sheet http://www.catamaranrx.com/role/DerivativeInstrumentsDetails Derivative Instruments (Details) false false R43.htm 2414402 - Disclosure - Fair Value (Details) Sheet http://www.catamaranrx.com/role/FairValueDetails Fair Value (Details) false false R44.htm 2415402 - Disclosure - Earnings Per Share (Details) Sheet http://www.catamaranrx.com/role/EarningsPerShareDetails Earnings Per Share (Details) false false R45.htm 2415403 - Disclosure - Earnings Per Share Stock options and RSU not in EPS (Details) Sheet http://www.catamaranrx.com/role/EarningsPerShareStockOptionsAndRsuNotInEpsDetails Earnings Per Share Stock options and RSU not in EPS (Details) false false R46.htm 2417401 - Disclosure - Concentration Risk (Details) Sheet http://www.catamaranrx.com/role/ConcentrationRiskDetails Concentration Risk (Details) false false All Reports Book All Reports Element us-gaap_AccountsReceivableNetCurrent had a mix of decimals attribute values: -5 -3. Element us-gaap_AmortizationOfIntangibleAssets had a mix of decimals attribute values: -8 -3. Element us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid had a mix of decimals attribute values: -3 0. Element us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice had a mix of decimals attribute values: -3 0. Element us-gaap_RepaymentsOfDebt had a mix of decimals attribute values: -6 -3. Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum had a mix of decimals attribute values: 3 4. Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum had a mix of decimals attribute values: 3 4. 'Monetary' elements on report '2405402 - Disclosure - Business Combinations (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2407402 - Disclosure - Goodwill and Other Intangible Assets (Details)' had a mix of different decimal attribute values. '' elements on report '2408402 - Disclosure - Debt (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2408402 - Disclosure - Debt (Details)' had a mix of different decimal attribute values. 'Shares' elements on report '2409403 - Disclosure - Stock-Based Compensation (Details) 2' had a mix of different decimal attribute values. 'Monetary' elements on report '2414402 - Disclosure - Fair Value (Details)' had a mix of different decimal attribute values. Process Flow-Through: 1001000 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Sep. 30, 2011' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: 1001501 - Statement - Consolidated Balance Sheets (Parentheticals) Process Flow-Through: 1002000 - Statement - Consolidated Statements of Operations Process Flow-Through: 1003000 - Statement - Consolidated Statement of Other Comprehensive Income Process Flow-Through: 1004000 - Statement - Consolidated Statements of Cash Flows ctrx-20120930.xml ctrx-20120930.xsd ctrx-20120930_cal.xml ctrx-20120930_def.xml ctrx-20120930_lab.xml ctrx-20120930_pre.xml true true