2.4.0.82411401 - Disclosure - Debt Arrangements (Details)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$D2014Q1http://www.sec.gov/CIK0000939930duration2013-04-01T00:00:002013-06-30T00:00:00numberStandardhttp://www.xbrl.org/2003/instancepurexbrli0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 1us-gaap_DebtDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Debt Disclosure [Abstract]2false 2us-gaap_IncreaseDecreaseInNotesPayableCurrentus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse277835000277835USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe increase (decrease) during the reporting period in current portion (due within one year or one business cycle) of obligations evidenced by formal promissory notes.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 false2Increase in notes payable to banks3false 2us-gaap_LineOfCreditFacilityAmountOutstandingus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse125000000125000USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount borrowed under the credit facility as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false2Borrowings under the senior secured credit facility4false 2aoi_RatioOfEbitdaToFixedChargesaoi_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse2.02.0falsefalsefalsenum:percentItemTypepureRatio of EBITDA to Fixed ChargesNo definition available.false0Ratio of EBITDA to Fixed ChargesfalseDebt Arrangements (Details) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.aointl.com/role/DebtArrangementsDetails14