2.4.0.8020001 - Disclosure - Risk/Return Detail Data {Elements} - DREYFUS ACTIVE MIDCAP FUNDtruetruefalse1false falsefalseS000000092Memberhttp://www.sec.gov/CIK0000737520duration2013-07-31T00:00:002013-07-31T00:00:001false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse1false truefalseS000000092Memberhttp://www.sec.gov/CIK0000737520duration2013-07-31T00:00:002013-07-31T00:00:00falsefalseDREYFUS ACTIVE MIDCAP FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000737520_S000000092Memberdei_LegalEntityAxisexplicitMembernanafalse0DREYFUS ACTIVE MIDCAP FUND2true 3rr_RiskReturnAbstractrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Risk/Return:3false 4ck0000737520_SupplementTextBlockck0000737520_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<p> July 31, 2013 </p> <br/><table> <tr> <td nowrap="nowrap" align="center"> STRATEGIC FUNDS, INC.<br /> Dreyfus Active MidCap Fund </td> </tr> </table> <br/><p style="TEXT-ALIGN: center"> Supplement to Summary and Statutory Prospectuses dated May 1, 2013 </p> <br/><p style="TEXT-ALIGN: left"> IMPORTANT NOTICE REGARDING CHANGE IN INVESTMENT POLICY </p>falsefalsefalsenonnum:textBlockItemTypenaNo authoritative reference available.No definition available.false0Supplement [Text Block]4false 4rr_RiskReturnHeadingrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00DREYFUS ACTIVE MIDCAP FUNDfalsefalsefalsexbrli:stringItemTypestringRisk/Return Summary Investment Objectives/Goals Include the following information, in plain English under rule 421(d) under the Securities Act, in the order and subject matter indicatedReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 2 false0Risk/Return [Heading]5false 4rr_StrategyNarrativeTextBlockrr_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<p style="TEXT-ALIGN: left"> Effective on or about October 1, 2013, the following information will supersede and replace the last sentence in Principal Investment Strategy in the summary prospectus and Fund Summary - Principal Investment Strategy in the prospectus and the second paragraph in Fund Details - Goal and Approach in the prospectus: </p> <br/><p style="TEXT-ALIGN: left"> The fund currently considers midsize companies to be those companies with market capitalizations that fall within the range of $400 million and $29 billion. The fund may invest up to 20% of its net assets in securities not considered to be midsize companies. </p>falsefalsefalsenonnum:textBlockItemTypenaPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Subsection a false0Strategy Narrative [Text Block]falseRisk/Return Detail Data - DREYFUS ACTIVE MIDCAP FUND (DREYFUS ACTIVE MIDCAP FUND)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://dreyfus.com/20130730/role/DisclosureRiskReturnDetailDataElementsDREYFUSACTIVEMIDCAPFUND15