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Derivatives and Hedging Activities - Summary of Open Foreign Currency Contracts (Details) £ in Thousands, SFr in Thousands, $ in Thousands, $ in Thousands | Jul. 31, 2022 USD ($) instrument | Jul. 31, 2022 CAD ($) instrument | Jul. 31, 2022 CHF (SFr) instrument | Jul. 31, 2022 GBP (£) instrument
--- | --- | --- | --- | ---
Derivative [Line Items] |  |  |  |
Number of Instruments | instrument | 30 | 30 | 30 | 30
Sell USD/Buy CAD Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Number of Instruments | instrument | 6 | 6 | 6 | 6
Sell USD/Buy CHF Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Number of Instruments | instrument | 12 | 12 | 12 | 12
Sell USD/Buy GBP Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Number of Instruments | instrument | 12 | 12 | 12 | 12
Sell Notional Value | Sell USD/Buy CAD Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Notional value | $ | $ 11,789 |  |  |
Sell Notional Value | Sell USD/Buy CHF Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Notional value | $ | 7,151 |  |  |
Sell Notional Value | Sell USD/Buy GBP Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Notional value | $ | $ 4,693 |  |  |
Buy Notional Value | Sell USD/Buy CAD Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Notional value | $ |  | $ 15,357 |  |
Buy Notional Value | Sell USD/Buy CHF Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Notional value | SFr |  |  | SFr 7,079 |
Buy Notional Value | Sell USD/Buy GBP Forward Contract |  |  |  |
Derivative [Line Items] |  |  |  |
Notional value | £ |  |  |  | £ 3,810

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