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Derivatives and Hedging Activities Notional Amount of Outstanding Derivatives (Tables) | 6 Months Ended
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Jan. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items] |
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] |
| January 31, 2020 |  | July 31, 2019
Designated as cash flow hedges | $ | 13,046 |  |  | $ | 26,013 |
Non-designated hedges | 3,483 |  |  | 3,376 |
Total foreign exchange contracts | $ | 16,529 |  |  | $ | 29,389 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of the notional amounts of outstanding derivative positions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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