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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Apr. 30, 2022 | Jul. 31, 2021
Description Of Business and Summary Of Significant Accounting Policies [Line Items] |  |
Capitalized software costs | $ 74.8 | $ 66.2
Accumulated amortization expense | $ 50.4 | $ 43.4
Minimum | Software |  |
Description Of Business and Summary Of Significant Accounting Policies [Line Items] |  |
Useful life | 3 years |
Maximum | Software |  |
Description Of Business and Summary Of Significant Accounting Policies [Line Items] |  |
Useful life | 7 years |

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- Definition For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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