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Income Taxes (Details 4) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |
Balance as of July 31 | $ 36,123 | $ 27,537 | $ 21,322
Increases related to current year tax positions | 13,122 | 8,196 | 6,588
Prior year tax positions: |  |  |
Increases recognized during the period | 8,782 | 6,390 | 800
Decreases recognized during the period | (5,749) | (1,603) | (305)
Cash settlements during the period | (3,261) | (1,182) | (534)
Lapse of statute of limitations | (1,956) | (3,215) | (334)
Balance at July 31 | $ 47,061 | $ 36,123 | $ 27,537

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 + Details
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