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Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
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Oct. 31, 2022 | Oct. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based compensation expense | $ 2,958 | $ 4,129
Share-based Payment Arrangement, Expense, Tax Benefit | 192 | 199
Proceeds from exercise of stock options | 349 | 151
Stock Option [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrealized compensation cost related to share-based compensation, pre tax | $ 2,898 |
Weighted average period remaining | 2 years 1 month 6 days |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |
Fair value of options vested | $ 2,458 | $ 2,446
Weighted-average fair value of options granted during the period | $ 12.06 | $ 11.29
Options, Exercises in Period, Intrinsic Value | $ 364 | $ 319
Proceeds from exercise of stock options | 349 | 151
Share-based Payment Arrangement, Exercise of Option, Tax Benefit | 91 | $ 80
Restricted Stock Units (RSUs) |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrealized compensation cost related to share-based compensation, pre tax | $ 5,029 |
Weighted average period remaining | 2 years 2 months 12 days |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |
Performance Shares [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrealized compensation cost related to share-based compensation, pre tax | $ 2,889 |
Weighted average period remaining | 2 years 4 months 24 days |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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