Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands, shares in Millions	1 Months Ended	12 Months Ended
	Jun. 30, 2022 USD ($)	Jul. 31, 2022 USD ($) period $ / shares shares	Jul. 31, 2021 USD ($) $ / shares shares	Jul. 31, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant (in shares) | shares		26.1
Exercised, aggregate intrinsic value | $		$ 230,068	$ 421,800	$ 242,400
Weighted average grant date fair value (in dollars per share) | $ / shares				$ 22.76
Weighted-average purchase price per share (in dollars per share) | $ / shares		$ 108.61	$ 75.92	$ 18.76
Unrecognized compensation cost, weighted-average		2 years 7 months 6 days
Fair value of contingent consideration | $		$ 17,000	$ 10,100	$ 9,300
Unrecognized compensation cost | $		1,030,700
Capitalized stock-based compensation | $		$ 11,500	$ 6,300	$ 4,400
Business Combination, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of unvested shares (in shares) | shares		0.1
Unvested RSUs and shares of common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years
Unvested RSUs and shares of common stock | One year anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights, percentage		25.00%
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares outstanding (in shares) | shares		0.1
2018 Employee Stock Purchase Plan | Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance (in shares) | shares		7.4
Shares available for grant (in shares) | shares		3.9
Duration of offering period		24 months
Number of purchases periods | period		4
Duration of purchase periods		6 months
Shares issued (in shares) | shares		0.3	0.3	0.8
Cash proceeds from the issuance of common stock | $		$ 34,600	$ 25,700	$ 15,300
Accrued compensation | $		$ 4,700	$ 5,200
Incremental stock-based compensation | $	$ 8,700
2018 Employee Stock Purchase Plan | Employee Stock | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, weighted-average	6 months
2018 Employee Stock Purchase Plan | Employee Stock | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, weighted-average	18 months
Common Stock | 2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance (in shares) | shares		38.6