Derivatives and Hedging - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021	Jul. 31, 2021
Derivative [Line Items]
Foreign currency transaction gain (loss)	$ 23,189,000	$ 1,984,000	$ 50,817,000	$ (8,969,000)
Amount reclassified	0	$ 0	0	$ 0
Not designated as hedging instrument
Derivative [Line Items]
Notional amount	27,065,000		27,065,000		$ 32,466,000
Derivative liability	$ 1,138,000		$ 1,138,000		$ 1,948,000