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Description of Business and Summary of Significant Accounting Policies (Details Textual) |  | 3 Months Ended |
--- | --- | --- | ---
Aug. 01, 2018 USD ($) | Oct. 31, 2018 USD ($) | Jul. 31, 2018 USD ($)
Description Of Business and Summary Of Significant Accounting Policies [Line Items] |  |  |
Cumulative Effect on Retained Earnings, Net of Tax | $ 23,000,000 |  |
Contract with Customer, Asset, Net |  | $ 9,990,000 | $ 11,840,000
Capitalized Contract Cost, Amortization |  | (1,669,000) |
Indefinite-lived Intangible Assets, Foreign Currency Translation Gain (Loss) |  | $ (181,000) |
Noncontrolling Interest, Ownership Percentage by Parent |  |  | 59.50%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  | 40.50%
Tax benefits realized upon ultimate settlement, Description |  | The second step is to measure the tax position as the largest amount that is more than 50% likely to be realized upon ultimate settlement. |
Capitalized software costs |  | $ 32,700,000 | $ 30,700,000
Accumulated amortization expense |  | $ 16,300,000 | $ 16,000,000
Number of operating segments |  | 2 |
Number of reportable segment |  | 2 |
Contract with Customer, Liability |  | $ 0 |

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- Definition For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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