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Fair Value Measurements - Reconciliation of Contingent Consideration (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 31, 2015 | Oct. 31, 2014 | Oct. 31, 2013
Business Acquisition, Contingent Consideration [Line Items] |  |  |
Revalue Adjustment |  | $ 53,611 | $ 33,811
RFG |  |  |
Business Acquisition, Contingent Consideration [Line Items] |  |  |
Beginning Balance | $ 15,602 |  |
Revalue Adjustment | 53,611 |  |
Settled | $ (69,213) |  |
Ending Balance |  | $ 15,602 |

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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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