Segment Information - Net Income Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Segment profit	$ 57,364	$ 58,949	$ 125,378	$ 125,590
Unallocated amounts:
Administrative costs	(6,130)	(5,023)	(15,222)	(11,934)
Investment and other income	2,125	2,684	3,359	3,122
Interest expense	(1,312)	(790)	(2,668)	(1,556)
Income before income taxes	$ 52,047	$ 55,820	$ 110,847	$ 115,222

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

- Definition

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

+ References + Details