Accumulated Other Comprehensive Loss, Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Other Comprehensive Income (Loss), Tax [Abstract]
Cash flow hedges	$ 147	$ (148)	$ (123)
Pension and other post-retirement benefits	202	167	95
Other income tax adjustments and currency translation	0	(505)	378
Income tax benefit (expense) related to items of other comprehensive income (loss)	$ 349	$ 524	$ (406)