2.4.0.8030040 - Disclosure - Receivables (Table)truefalsefalse1false falsefalseFROM_Apr01_2013_TO_Jun30_2013http://www.sec.gov/CIK0001323974duration2013-04-01T00:00:002013-06-30T00:00:001true 1us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Accounts, Notes, Loans, and Financing Receivable Disclosure [Abstract]2false 2mwiv_ScheduleOfAccountsReceivableTableTextBlockmwiv_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; text-align:left;border-color:#000000;min-width:85px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:left;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; text-align:left;border-color:#000000;min-width:85px;"> </td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;"> </td><td colspan="2" style="width: 95px; text-align:right;border-color:#000000;min-width:95px;">June 30,</td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 95px; text-align:right;border-color:#000000;min-width:95px;">September 30,</td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;"> </td><td colspan="2" style="width: 95px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:95px;">2013</td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 95px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:95px;">2012</td><td style="width: 64px; text-align:right;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;">Trade</td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;">$</td><td style="width: 85px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:85px;"> 280,787</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;">$</td><td style="width: 85px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:85px;"> 271,199</td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;">Vendor rebates and programs</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:85px;"> 31,989</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:85px;"> 20,469</td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;"> </td><td style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; text-align:right;border-color:#000000;min-width:85px;"> 312,776</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; text-align:right;border-color:#000000;min-width:85px;"> 291,668</td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;">Allowance for doubtful accounts</td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:85px;"> (2,473)</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:85px;"> (2,746)</td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:10px;">$</td><td style="width: 85px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:85px;"> 310,303</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:10px;">$</td><td style="width: 85px; border-top-style:solid;border-top-width:1px;border-bottom-style:double;border-bottom-width:3px;text-align:right;border-color:#000000;min-width:85px;"> 288,922</td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td></tr><tr style="height: 20px"><td style="width: 100px; text-align:left;border-color:#000000;min-width:100px;"> </td><td style="width: 306px; text-align:left;border-color:#000000;min-width:306px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:85px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 10px; border-top-style:double;border-top-width:3px;text-align:right;border-color:#000000;min-width:10px;"> </td><td style="width: 85px; border-top-style:double;border-top-width:3px;text-align:left;border-color:#000000;min-width:85px;"> </td><td style="width: 64px; text-align:left;border-color:#000000;min-width:64px;"> </td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaSchedule itemizing specific types of trade accounts receivable and the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified accounts receivable.No definition available.false0Schedule of Accounts Receivable [Table Text Block]falseReceivables (Table)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.mwivet.com/role/DisclosureReceivablesTable12