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Employee Benefit Plans - Significant Assumptions Used in Determination of Pension Expense (Details) | Oct. 31, 2016 | Oct. 31, 2015
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Compensation and Retirement Disclosure [Abstract] |  |
Discount rate on projected benefit obligation | 3.70% | 4.30%

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- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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