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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022	Jul. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercised, aggregate intrinsic value				$ 29,977	$ 182,600
Granted (in shares)				0	0
Incremental compensation cost				$ 5,600
Reversal of stock-based compensation		$ 109,738	$ 98,988	214,911	$ 188,891
Capitalized stock-based compensation		$ 4,300	$ 2,700	8,300	$ 5,200
President
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reversal of stock-based compensation				$ (9,900)
2018 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average purchase price per share (in dollars per share)		$ 99.59		$ 99.59
Performance stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares outstanding (in shares)		100,000		100,000
Employee Stock \| 2018 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)		100,000
Cash proceeds from the issuance of common stock		$ 11,400
Accrued compensation		$ 9,200		$ 9,200		$ 4,700
Incremental compensation cost	$ 8,300
Employee Stock \| 2018 Employee Stock Purchase Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, weighted-average	6 months
Employee Stock \| 2018 Employee Stock Purchase Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, weighted-average	18 months