2.2.0.25truefalse0100006 - Document - Risk/Return Summary - Sterling Capital Short Term Bond Fund (Class A) {Unlabeled}falsefalsetrue1falsefalsefalsefalse2/2/2010 - 2/1/2011 TwelveMonthsEnded_01Feb2011http://www.sec.gov/CIK0000889284duration2010-02-02T00:00:002011-02-01T00:00:003false0bicax_SupplementTextBlockbicaxfalsenadurationSupplement Text Block.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<p><b>SUPPLEMENT DATED MARCH 1, 2011</b> </p> <p><b>TO THE STERLING CAPITAL FUNDS CLASS A, CLASS B AND CLASS C SHARES</b> </p> <p><b>PROSPECTUS AND INSTITUTIONAL AND CLASS R SHARES PROSPECTUS, </b> </p> <p><b>EACH DATED FEBRUARY 1, 2011</b> </p> <p><b>Effective immediately, this Supplement provides the following amended and supplemental information and supersedes any information to the contrary in the Sterling Capital Funds’ Class A, Class B and Class C Shares Prospectus (the “Retail Prospectus”) and Institutional and Class R Shares Prospectus (the “Institutional Prospectus”), each dated February 1, 2011:</b> </p> <p><b>Sterling Capital Short-Term Bond Fund (formerly BB&T Short U.S. Government Fund) (the “Fund”)</b> </p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSupplement Text Block.No authoritative reference available.falsefalseSupplement [Text Block]4false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://bbtfunds.com/role/riskreturnsummarysterlingcapitalshorttermbondfundclass1falsefalsefalse00Sterling Capital Short-Term Bond Fund | Prospectus, Class A, B and CSterling Capital Short-Term Bond Fund | Prospectus, Class A, B and Cfalsefalsefalsefalsefalse2falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : Sterling Capital Short-Term Bond Fund {dei_LegalEntityAxis} : Prospectus, Class A, B and C 2/2/2010 - 2/1/2011 TwelveMonthsEnded_01Feb2011_S000003547_Member_Prospectus_One_Memberhttp://www.sec.gov/CIK0000889284duration2010-02-02T00:00:002011-02-01T00:00:00falsefalsebicax_S000003547Memberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsebicax_ProspectusOneMemberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusOneMemberdei_LegalEntityAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseSterling Capital Short-Term Bond Fund | Prospectus, Class A, B and C6false0bicax_SupplementShareholderFeesTextBlockbicaxfalsenadurationSupplement Shareholder Fees Text Blockfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<p>Retail Prospectus </p> <p>Effective March 1, 2011, the maximum sales charge applicable to purchases of Fund shares has been lowered. Accordingly, the following replaces the text under the heading “Fee Table — Shareholder Fees” with respect to the Fund in the Retail Prospectus: </p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSupplement Shareholder Fees Text BlockNo authoritative reference available.falsefalseSupplement Shareholder Fees [Text Block]7false0rr_ShareholderFeesCaptionrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Shareholder Fees (fees paid directly from your investment)falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subsection table falsefalseShareholder Fees Caption [Text]8false0rr_ShareholderFeesTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ShareholderFeesSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_S000003547_Member * row rr_DocumentInformationDocumentAxis compact bicax_Prospectus_One_Member * ~&lt;/div&gt; </div></div>falsefalse<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ShareholderFeesSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_S000003547_Member * row rr_DocumentInformationDocumentAxis compact bicax_Prospectus_One_Member * ~&lt;/div&gt; </div></div>falsehttp://bbtfunds.com/role/ShareholderFeesSterlingCapitalShortTermBondFundClassfalsefalse0200106 - Schedule - Shareholder Fees - Sterling Capital Short-Term Bond Fund (Class A)truefalsefalse1falseColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2010-02-02T00:00:002011-02-01T00:00:00falsefalseSterling Capital Short-Term Bond Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseProspectus, Class A, B and Cdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusOneMemberdei_LegalEntityAxisexplicitMemberfalsefalseClass A, Sterling Capital Short-Term Bond Fundrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldibicax_C000009858Memberrr_ProspectusShareClassAxisexplicitMemberSterling Capital Short-Term Bond FundProspectus, Class A, B and CClass A, Sterling Capital Short-Term Bond FundUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$1falseRowprimaryElement*4false0rr_ShareholderFeesColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subsection table falsefalseShareholder Fees Column [Text]0rr_ShareholderFeesColumnNametruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesClass A SharesfalsefalsefalsetruefalseOthernanafalsefalseShareholder Fees Column [Text]2falseRowprimaryElement*5false0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.02500.0250falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 1 -Subsection table falsefalseMaximum Sales Charge (load) on Purchases (as a % of offering price)0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricetruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.02500.0250falsefalsefalsetruefalseOthernanafalsefalseMaximum Sales Charge (load) on Purchases (as a % of offering price)3falseRowprimaryElement*6false0rr_MaximumDeferredSalesChargeOverOtherrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 2 -Subparagraph a -Clause i -Subsection instructions falsefalseMaximum Deferred Sales Charge (load) (as a % of the lesser of the cost of your shares or their net asset value at the time of redemption)0rr_MaximumDeferredSalesChargeOverOthertruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalseMaximum Deferred Sales Charge (load) (as a % of the lesser of the cost of your shares or their net asset value at the time of redemption)4falseRowprimaryElement*7false0rr_RedemptionFeeOverRedemptionrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr:NonPositivePure4Typepure"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 2 -Subparagraph b -Subsection instructions falsefalseRedemption Fee0rr_RedemptionFeeOverRedemptiontruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalseRedemption Fee14Shareholder Fees - Sterling Capital Short-Term Bond Fund (Class A) UnKnownUnKnownUnKnownUnKnownfalsetrueColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ShareholderFeesData.No authoritative reference available.falsefalseShareholder Fees [Table]9false0bicax_SupplementAnnualFundOperatingExpensesTextBlockbicaxfalsenadurationSupplement Annual Fund Operating Expenses Text Block.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<p>Effective March 1, 2011, the management fee paid by the Fund has been lowered. Accordingly, the following replaces the text under the heading “Fee Table — Annual Fund Operating Expenses” with respect to the Fund in the Retail Prospectus: </p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSupplement Annual Fund Operating Expenses Text Block.No authoritative reference available.falsefalseSupplement Annual Fund Operating Expenses [Text Block]10false0rr_OperatingExpensesCaptionrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)[1]falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 7 -Subsection table falsefalseOperating Expenses Caption [Text]11false0rr_AnnualFundOperatingExpensesTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/AnnualFundOperatingExpensesSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_One_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>falsefalse<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/AnnualFundOperatingExpensesSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_One_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>falsehttp://bbtfunds.com/role/AnnualFundOperatingExpensesSterlingCapitalShortTermBondFundClassfalsefalse0200206 - Schedule - Annual Fund Operating Expenses - Sterling Capital Short-Term Bond Fund (Class A)truefalsefalse1falseColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2010-02-02T00:00:002011-02-01T00:00:00falsefalseSterling Capital Short-Term Bond Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseProspectus, Class A, B and Cdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusOneMemberdei_LegalEntityAxisexplicitMemberfalsefalseClass A, Sterling Capital Short-Term Bond Fundrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldibicax_C000009858Memberrr_ProspectusShareClassAxisexplicitMemberSterling Capital Short-Term Bond FundProspectus, Class A, B and CClass A, Sterling Capital Short-Term Bond FundUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$1falseRowprimaryElement*4false0rr_OperatingExpensesColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 7 -Subsection table falsefalseOperating Expenses Column [Text]0rr_OperatingExpensesColumnNametruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesClass A SharesfalsefalsefalsetruefalseOthernanafalsefalseOperating Expenses Column [Text]2falseRowprimaryElement*5false0rr_ManagementFeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00340.0034falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 3 -Subparagraph a -Subsection instructions falsefalseManagement Fees0rr_ManagementFeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00340.0034falsefalsefalsetruefalseOthernanafalsefalseManagement Fees3falseRowprimaryElement*6false0rr_DistributionAndService12b1FeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00500.0050falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 9 -Subsection table falsefalseDistribution and Service (12b-1) Fees0rr_DistributionAndService12b1FeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00500.0050falsefalsefalsetruefalseOthernanafalsefalseDistribution and Service (12b-1) Fees4falseRowprimaryElement*7false0rr_OtherExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00250.0025falsefalsefalsetruefalseOtherrr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 3 -Subparagraph c -Clause i -Subsection instructions falsefalseOther Expenses0rr_OtherExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00250.0025falsefalsefalsetruefalseOthernanafalsefalseOther Expenses5falseRowprimaryElement*8false0rr_ExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.01090.0109falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 3 -Subparagraph d -Subsection instructions falsefalseTotal Annual Fund Operating Expenses0rr_ExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01090.0109falsefalsefalsetruefalseOthernanafalsefalseTotal Annual Fund Operating Expenses6falseRowprimaryElement*9false0rr_FeeWaiverOrReimbursementOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue-0.0029-0.0029[1]falsefalsefalsetruefalseOtherrr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 11 -Subsection table falsefalseFee Waiver or Expense Reimbursement0rr_FeeWaiverOrReimbursementOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[1]1truetruetrue-0.0029-0.0029falsefalsefalsetruefalseOthernanafalsefalseFee Waiver or Expense Reimbursement7falseRowprimaryElement*10false0rr_NetExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.0080.008[1],[2]falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 11 -Subsection table falsefalseTotal Annual Fund Operating Expenses After Fee Waiver or Expense Reimbursement0rr_NetExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[1][2]1truetruetrue0.0080.008falsefalsefalsetruefalseOthernanafalsefalseTotal Annual Fund Operating Expenses After Fee Waiver or Expense Reimbursement1The Fund's Adviser has contractually agreed to limit the management fees paid by the Fund to 0.30% for the period from March 1, 2011 through January 31, 2012. This contractual limitation may be terminated during this period only by the Fund, and will automatically terminate upon termination of the Investment Advisory Agreement between the Fund and the Adviser. Additionally, the Fund's Distributor has contractually agreed to limit the distribution and shareholder service (12b-1) fees for Class A shares of the Fund to 0.25% for the period from February 1, 2011 through January 31, 2012. This contractual limitation may be terminated during this period only by the Fund, and will automatically terminate upon termination of the Underwriting Agreement or the 12b-1 Plan with respect to the Fund.2The Fund's operating expenses have been restated to reflect a reduction in management fees, effective as of March 1, 2011, as if such reduction had been in effect during the fiscal year ended September 30, 2010. The information has been restated to better reflect anticipated expenses of the Fund.17Annual Fund Operating Expenses - Sterling Capital Short-Term Bond Fund (Class A) UnKnownUnKnownUnKnownUnKnownfalsetrueColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to OperatingExpensesData.No authoritative reference available.falsefalseAnnual Fund Operating Expenses [Table]12false0bicax_SupplementExpenseExampleTextBlockbicaxfalsenadurationSupplement Expense Example Text Block.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00In addition, the following replaces the text under the heading "Example" with respect to the Fund:falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSupplement Expense Example Text Block.No authoritative reference available.falsefalseSupplement Expense Example [Text Block]13false0rr_ExpenseExampleHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00ExamplefalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringHeading for Expense Example.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions falsefalseExpense Example [Heading]14false0rr_ExpenseExampleNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<p>This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, except for the expiration of the current contractual expense limitations on January 31, 2012. Although your actual costs may be higher or lower, based on these assumptions your costs would be: </p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 1 -Subsection example falsefalseExpense Example Narrative [Text Block]15false0rr_ExpenseExampleWithRedemptionTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ExpenseExampleSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_One_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>falsefalse<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ExpenseExampleSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_One_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>truehttp://bbtfunds.com/role/ExpenseExampleSterlingCapitalShortTermBondFundClassfalsefalse0200306 - Schedule - Expense Example - Sterling Capital Short-Term Bond Fund (Class A) {Transposed}truefalsefalse1falseColumnprimaryElement*4false0rr_ExpenseExampleByYearColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalseExpense Example, By Year, Column [Text]falseUSDfalsefalse$2falseColumnprimaryElement*5false0rr_ExpenseExampleYear01rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue332332falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions falsefalse1 YearfalseUSDfalsefalse$3falseColumnprimaryElement*6false0rr_ExpenseExampleYear03rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue562562falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalse3 YearsfalseUSDfalsefalse$4falseColumnprimaryElement*7false0rr_ExpenseExampleYear05rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue811811falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalse5 YearsfalseUSDfalsefalse$5falseColumnprimaryElement*8false0rr_ExpenseExampleYear10rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue15221522falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 2 -Subsection example falsefalse10 YearsfalseUSDfalsefalse$1falseRowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2010-02-02T00:00:002011-02-01T00:00:00falsefalseSterling Capital Short-Term Bond Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseProspectus, Class A, B and Cdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusOneMemberdei_LegalEntityAxisexplicitMemberfalsefalseClass A, Sterling Capital Short-Term Bond Fundrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldibicax_C000009858Memberrr_ProspectusShareClassAxisexplicitMemberSterling Capital Short-Term Bond FundProspectus, Class A, B and CClass A, Sterling Capital Short-Term Bond FundUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesClass A Sharesfalsefalsefalsetruefalse2truefalsetrue332332falsefalsefalsetruefalse3truefalsetrue562562falsefalsefalsetruefalse4truefalsetrue811811falsefalsefalsetruefalse5truefalsetrue15221522falsefalsefalsetruefalseOthernanafalsefalseSterling Capital Short-Term Bond Fund Prospectus, Class A, B and C Class A, Sterling Capital Short-Term Bond Fund51Expense Example - Sterling Capital Short-Term Bond Fund (Class A) (USD $)UnKnownUnKnownUnKnownUnKnownfalsetrueColumnprimaryElement*RowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ExpenseExample.No authoritative reference available.falsefalseExpense Example, With Redemption [Table]16false0rr_ExpenseExampleNoRedemptionNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00You would pay the following expenses if you did not redeem your shares:falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ExpenseExampleNoRedemption.No authoritative reference available.falsefalseExpense Example, No Redemption Narrative [Text Block]17false0rr_ExpenseExampleNoRedemptionTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ExpenseExampleNoRedemptionSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_One_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>falsefalse<div><div> &lt;div style="display:none;" &gt;~ http://bbtfunds.com/role/ExpenseExampleNoRedemptionSterlingCapitalShortTermBondFundClass column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact bicax_Prospectus_One_Member * row rr_DocumentInformationDocumentAxis compact bicax_S000003547_Member * ~</div></div>truehttp://bbtfunds.com/role/ExpenseExampleNoRedemptionSterlingCapitalShortTermBondFundClassfalsefalse0200406 - Schedule - Expense Example No Redemption - Sterling Capital Short-Term Bond Fund (Class A) {Transposed}truefalsefalse1falseColumnprimaryElement*4false0rr_ExpenseExampleNoRedemptionByYearColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringYou would pay the following expenses if you did not redeem your shares.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 2 -Subparagraph 1 -Subsection example falsefalseExpense Example, No Redemption, By Year, Column [Text]falseUSDfalsefalse$2falseColumnprimaryElement*5false0rr_ExpenseExampleNoRedemptionYear01rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue332332falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 2 -Subparagraph 1 -Subsection example falsefalse1 YearfalseUSDfalsefalse$3falseColumnprimaryElement*6false0rr_ExpenseExampleNoRedemptionYear03rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue562562falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 2 -Subparagraph 1 -Subsection example falsefalse3 YearsfalseUSDfalsefalse$4falseColumnprimaryElement*7false0rr_ExpenseExampleNoRedemptionYear05rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue811811falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subparagraph f -Subsection instructions falsefalse5 YearsfalseUSDfalsefalse$5falseColumnprimaryElement*8false0rr_ExpenseExampleNoRedemptionYear10rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue15221522falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subparagraph f -Subsection instructions falsefalse10 YearsfalseUSDfalsefalse$1falseRowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2010-02-02T00:00:002011-02-01T00:00:00falsefalseSterling Capital Short-Term Bond Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldibicax_S000003547Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseProspectus, Class A, B and Cdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldibicax_ProspectusOneMemberdei_LegalEntityAxisexplicitMemberfalsefalseClass A, Sterling Capital Short-Term Bond Fundrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldibicax_C000009858Memberrr_ProspectusShareClassAxisexplicitMemberSterling Capital Short-Term Bond FundProspectus, Class A, B and CClass A, Sterling Capital Short-Term Bond FundUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class A SharesClass A Sharesfalsefalsefalsetruefalse2truefalsetrue332332falsefalsefalsetruefalse3truefalsetrue562562falsefalsefalsetruefalse4truefalsetrue811811falsefalsefalsetruefalse5truefalsetrue15221522falsefalsefalsetruefalseOthernanafalsefalseSterling Capital Short-Term Bond Fund Prospectus, Class A, B and C Class A, Sterling Capital Short-Term Bond Fund51Expense Example No Redemption - Sterling Capital Short-Term Bond Fund (Class A) (USD $)UnKnownUnKnownUnKnownUnKnownfalsetrueColumnprimaryElement*RowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ExpenseExampleNoRedemption.No authoritative reference available.falsefalseExpense Example, No Redemption [Table]1The Fund's operating expenses have been restated to reflect a reduction in management fees, effective as of March 1, 2011, as if such reduction had been in effect during the fiscal year ended September 30, 2010. The information has been restated to better reflect anticipated expenses of the Fund.114Risk/Return Summary - Sterling Capital Short Term Bond Fund (Class A)UnKnownUnKnownUnKnownUnKnownfalsetrue