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FAIR VALUE MEASUREMENTS, Assets and Liabilities, Measured at Fair Value Using Unobservable Inputs (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2016
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |
Change in value of contingent consideration |  | $ 1,100 | $ 3,063
Liabilities, Ending Balance | $ 20,875 |  |
Liabilities [Abstract] |  |  |
Total liabilities | 1,018,342 | 1,133,016 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |
Liabilities, Opening Balance | 27,573 | 18,881 |
Contingent consideration related to acquisition | (1,365) | 13,797 |
Increase in accrued contingent consideration |  | 1,100 |
Change in value of contingent consideration | (5,425) | (7,039) |
Liabilities, Ending Balance |  | 27,573 | $ 18,881
Liabilities [Abstract] |  |  |
Accrued Liabilities, Current | 6,107 |  |
Other Liabilities, Noncurrent | 14,768 |  |
Total liabilities | 20,875 |  |
Fair Value, Inputs, Level 3 [Member] | Foreign Currency Gain (Loss) [Member] |  |  |
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |  |
Change in Unrealized Gain (Loss) | $ 92 | $ 834 |

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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