Segment Information - Net Income Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Segment profit	$ 74,642	$ 69,234	$ 200,020	$ 194,824
Unallocated amounts:
Administrative costs	(7,452)	(5,691)	(22,674)	(17,625)
Investment and other (expense) income	(509)	1,596	2,850	4,718
Interest expense	(936)	(728)	(3,604)	(2,284)
Income before income taxes	$ 65,745	$ 64,411	$ 176,592	$ 179,633