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Sale of Non-United States Accounts Receivable - Additional Information (Detail) In Millions, unless otherwise specified | 12 Months Ended |
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Oct. 31, 2012 | Oct. 31, 2012 Singapore RPA [Member] USD ($) | Oct. 31, 2012 Singapore RPA [Member] SGD | Oct. 31, 2012 Malaysian Agreements [Member] USD ($) | Oct. 31, 2012 Malaysian Agreements [Member] MYR | Oct. 31, 2012 European RPA [Member] USD ($) | Oct. 31, 2012 European RPA [Member] EUR (€)
Finance Receivable Transferred To Held For Sale [Line Items] |  |  |  |  |  |  |
Financing receivable maximum amount under receivable purchase agreement |  | $ 12.3 | 15.0 | $ 4.9 | 15.0 | $ 187.7 | € 145.0
Minimum percentage of eligible receivables related with bank funds initial purchase price | 75.00% |  |  |  |  |  |
Maximum percentage of eligible receivables related with bank funds initial purchase price | 90.00% |  |  |  |  |  |

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