Accumulated Other Comprehensive Loss, Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Other Comprehensive Income (Loss), Tax [Abstract]
Cash flow hedges	$ (8)	$ (15)	$ 116	$ (206)
Pension and other post-retirement benefits	0	(3)	(62)	12
Other income tax adjustments and currency translation	0	(87)	0	346
Income tax (expense) benefit related to items of other comprehensive (loss) income	$ (8)	$ (105)	$ 54	$ 152