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FAIR VALUE MEASUREMENTS (Tables) | 9 Months Ended
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Jul. 31, 2017
Fair Value Disclosures [Abstract] |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] | The Company's assets and liabilities that were measured at fair value on a recurring basis are set forth by level within the fair value hierarchy in the following tables (in thousands):
|  | As of July 31, 2017
|  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total
Assets: |  |  |  |  |  |  |  |
Deferred compensation plans: |  |  |  |  |  |  |  |
Corporate-owned life insurance |  |  | $— |  |  |  | $109,713 |  |  |  | $— |  |  |  | $109,713 |
Money market funds |  | 2,267 |  |  | — |  |  | — |  |  | 2,267 |
Equity securities |  | 2,430 |  |  | — |  |  | — |  |  | 2,430 |
Mutual funds |  | 1,498 |  |  | — |  |  | — |  |  | 1,498 |
Other |  | 1,368 |  |  | — |  |  | — |  |  | 1,368 |
Total assets |  |  | $7,563 |  |  |  | $109,713 |  |  |  | $— |  |  |  | $117,276 |
Liabilities: |  |  |  |  |  |  |  |
Contingent consideration |  |  | $— |  |  |  | $— |  |  |  | $14,041 |  |  |  | $14,041 |
|  | As of October 31, 2016
|  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total
Assets: |  |  |  |  |  |  |  |
Deferred compensation plans: |  |  |  |  |  |  |  |
Corporate-owned life insurance |  |  | $— |  |  |  | $86,004 |  |  |  | $— |  |  |  | $86,004 |
Money market funds |  | 2,515 |  |  | — |  |  | — |  |  | 2,515 |
Equity securities |  | 1,832 |  |  | — |  |  | — |  |  | 1,832 |
Mutual funds |  | 1,758 |  |  | — |  |  | — |  |  | 1,758 |
Other |  | 1,043 |  |  | 50 |  |  | — |  |  | 1,093 |
Total assets |  |  | $7,148 |  |  |  | $86,054 |  |  |  | $— |  |  |  | $93,202 |
Liabilities: |  |  |  |  |  |  |  |
Contingent consideration |  |  | $— |  |  |  | $— |  |  |  | $18,881 |  |  |  | $18,881 |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block] | The Level 3 inputs used to derive the estimated fair value of the Company's contingent consideration liability as of July 31, 2017 were as follows:
| Fiscal 2016 Acquisition |  | Fiscal 2015 Acquisition
Compound annual revenue growth rate range | 0 | % | - | 12% |  | 4 | % | - | 20%
Weighted average discount rate | 4.8% |  | 1.6%
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] | Changes in the Company’s contingent consideration liability measured at fair value on a recurring basis using unobservable inputs (Level 3) for the nine months ended July 31, 2017 are as follows (in thousands):
Balance as of October 31, 2016 |  |  | $18,881 |
Payment of contingent consideration |  | (7,039 | )
Increase in accrued contingent consideration |  | 1,227 |
Foreign currency transaction adjustments |  | 972 |
Balance as of July 31, 2017 |  |  | $14,041 |
Included in the accompanying Condensed Consolidated Balance Sheet under the following captions: |  |
Accrued expenses and other current liabilities |  |  | $7,014 |
Other long-term liabilities |  | 7,027 |
|  |  | $14,041 |

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- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, applied during the period to each separate class of assets, liabilities, and financial instruments classified in shareholders' equity that are measured on a recurring and/or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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