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Significant Accounting Policies (Policies) | 6 Months Ended
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Apr. 30, 2019
Accounting Policies [Abstract] |
Basis of Accounting, Policy [Policy Text Block] | The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X and accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. These Condensed Consolidated Financial Statements should be read in conjunction with the consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the fiscal year ended October 31, 2018. In the opinion of management, all adjustments for interim periods presented have been made, which include normal recurring accruals and deferrals necessary for a fair presentation of our condensed consolidated financial position, results of operations and cash flows. The preparation of Condensed Consolidated Financial Statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates, and these differences could have a significant impact on the Condensed Consolidated Financial Statements. Results for interim periods are not necessarily indicative of the results which might be expected for a full year.
Reclassification, Policy [Policy Text Block] | Reclassifications - Effective October 31, 2018 we early adopted Accounting Standards Update (“ASU”) 2016-18 “Statement of Cash Flows (Topic 230): Restricted Cash” (“ASU 2016-18”). As a result, restricted cash amounts are no longer shown within the operating and investing activities as these balances are now included in the beginning and ending cash balances in our Condensed Consolidated Statements of Cash Flows. The adoption of ASU 2016-18 also resulted in the reclassification of restricted cash in operating and investing activities of $2.6 million and $12.1 million, respectively, for the six months ended April 30, 2018. These amounts are now included in the beginning and ending cash balances for the respective periods. See also the reconciliation of cash, cash equivalents and restricted cash on the Condensed Consolidated Statements of Cash Flows.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References No definition available. + Details
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- Definition Disclosure of accounting policy for reclassifications that affects the comparability of the financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6359566&loc=d3e326-107755 + Details
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