Stock-Based Compensation - Summary of RSU and PRSU Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested as of July 31, 2023	148,991
Equity Instruments Other than Options, Grants in Period	88,319
Equity Instruments Other than Options, Vested in Period	(56,393)
Equity Instruments Other than Options, Forfeited in Period	(763)
Non-vested as of October 31, 2023	180,154
Non-vested as of July 31, 2023, Weighted Average Grant Date Fair Value	$ 52.20
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	74.63	$ 54.80
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	51.07
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	58.94
Non-vested as of October 31, 2023, Weighted Average Grant Date Fair Value	$ 63.53
Equity Instruments Other than Options, Vested in Period, Fair Value	$ 4,201	$ 2,974
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested as of July 31, 2023	103,221
Equity Instruments Other than Options, Grants in Period	61,981
Equity Instruments Other than Options, Vested in Period	(8,098)
Equity Instruments Other than Options, Forfeited in Period	(2,157)
Non-vested as of October 31, 2023	154,947
Non-vested as of July 31, 2023, Weighted Average Grant Date Fair Value	$ 53.46
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	71.24	$ 51.16
Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	64.44
Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	55.23
Non-vested as of October 31, 2023, Weighted Average Grant Date Fair Value	$ 59.95
Equity Instruments Other than Options, Vested in Period, Fair Value	$ 595	$ 141