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Derivatives and Hedging Activities Notional Value of Derivatives Outstanding (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jan. 31, 2020 | Jul. 31, 2019
Derivative [Line Items] |  |
Document Period End Date | Jan. 31, 2020 |
Derivative, Notional Amount | $ 16,529 | $ 29,389
Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 13,046 | 26,013
Not designated as hedging Instruments [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 3,483 | $ 3,376

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Details
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- Details
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