Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of Net Loss Per Share (Details) - shares shares in Thousands	9 Months Ended
Apr. 30, 2026	Apr. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	14,883	19,293
2028 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of shares if notes converted (in shares)	3,900
2025 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of shares if notes converted (in shares)		7,600
Unvested RSUs and shares of common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	9,089	9,498
Unvested PSAs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	1,002	1,072
Number of unvested PSAs as a percentage of target	100.00%	100.00%
Share purchase rights under the ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	717	926
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	150	171
Notes \| 2028 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	3,925	0
Notes \| 2025 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	0	7,626

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
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-Topic 210
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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