Accumulated Other Comprehensive Loss, Tax (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Other Comprehensive Income (Loss), Tax [Abstract]
Cash flow hedges	$ 58	$ (87)	$ 124	$ (191)
Pension and other post-retirement benefits	(62)	15	(62)	15
Other income tax adjustments and currency translation	0	428	0	433
Income tax (expense) benefit related to items of other comprehensive income (loss)	$ (4)	$ 356	$ 62	$ 257