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Revenue Costs to Obtain Contracts with Customers (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2020 USD ($) | Jan. 31, 2020 USD ($)
Schedule of Goodwill [Abstract] |  |
Capitalized Contract Cost, Amortization | $ 7.0 | $ 7.0
Capitalized Contract Cost, Net | $ 7.0 | $ 7.0

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- Definition Schedule of Goodwill [Abstract] + References No definition available. + Details
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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