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Convertible Senior Notes - Additional Information (Details) $ / shares in Units, $ in Thousands, shares in Millions			1 Months Ended			12 Months Ended
	Jun. 06, 2024 USD ($)	Sep. 30, 2020 USD ($)	Jan. 31, 2023 USD ($)	Sep. 30, 2021 USD ($) PurchasePeriod $ / shares shares	Jan. 31, 2018 USD ($) $ / shares shares	Jul. 31, 2024 USD ($)	Jul. 31, 2023 USD ($)	Jul. 31, 2022 USD ($)	Sep. 22, 2021 USD ($)	Sep. 24, 2020 USD ($)
Debt Instrument [Line Items]
Proceeds from Hedge, Financing Activities						$ 0	$ 0	$ 39,880
Payments for unwinding of warrants						0	0	18,390
Loss on debt extinguishment						0	0	(64,910)
Proceeds from the issuance of convertible notes, net of issuance costs						$ 0	$ 0	88,687
2023 Convertible Senior Notes
Debt Instrument [Line Items]
Payments for convertible note hedges					$ 143,200
Loss on debt extinguishment								$ 64,900
Number of securities called by warrants or rights (in shares) | shares					11.8
Exercise price of warrants (in dollars per share) | $ / shares					$ 73.46
Proceeds from issuance of warrants					$ 88,000
Convertible Debt | Cash Transaction
Debt Instrument [Line Items]
Repayments of debt			$ 145,700
Convertible Debt | 2023 Convertible Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage					0.00%	0.00%
Face amount					$ 575,000
Convertible debt				$ 416,500
Conversion price (in dollars per share) | $ / shares					$ 48.85
Proceeds from Hedge, Financing Activities				39,900
Payments for unwinding of warrants				18,400
Debt outstanding									$ 145,700
Debt repurchase amount				12,800
Proceeds From Unwind Transactions				21,500
Convertible Debt | 2023 Convertible Senior Notes | Exchange Transactions
Debt Instrument [Line Items]
Face amount									416,500
Convertible Debt | 2023 Convertible Senior Notes | Cash Transaction
Debt Instrument [Line Items]
Debt repurchase amount									12,800
Convertible Debt | 2026 Convertible Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage										2.50%
Face amount	$ 817,600	$ 750,000
Conversion ratio	16,900,000
Debt Instrument Conversion For Cash	$ 817,600
Proceeds from the issuance of convertible notes, net of issuance costs		723,700
Payments of debt issuance costs		$ 26,300
Derivative liability				$ 698,200						$ 230,900
Convertible Debt | 2027 Convertible Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				0.25%
Face amount				$ 575,000
Convertible debt				$ 477,300
Conversion ratio				17.3192
Conversion price (in dollars per share) | $ / shares				$ 57.74
Threshold trading days | PurchasePeriod				20
Threshold consecutive trading days | PurchasePeriod				30
Debt Instrument Issued For Cash Net Of Expense				$ 88,400
Debt repurchase amount				$ 14,700
Redemption price, percentage				100.00%
Debt Instrument Issued For Cash				$ 97,700
Debt instrument, term						3 years 2 months 12 days
Debt instrument, principal amount for conversion into common stock				$ 1,000
Convertible Debt | 2027 Convertible Senior Notes | Exchange Transactions
Debt Instrument [Line Items]
Face amount									$ 477,300
Minimum | Convertible Debt | 2027 Convertible Senior Notes
Debt Instrument [Line Items]
Threshold percentage of stock price trigger				130.00%
Common Class A | 2023 Convertible Senior Notes
Debt Instrument [Line Items]
Number of securities called by warrants or rights (in shares) | shares					11.8
Common Class A | Convertible Debt | 2027 Convertible Senior Notes
Debt Instrument [Line Items]
Debt repurchase amount				$ 58,500
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | shares				1.4
Common Class A | Maximum | Convertible Debt | 2027 Convertible Senior Notes
Debt Instrument [Line Items]
Threshold percentage of stock price trigger				98.00%

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+ References

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The cash outflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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