Fair Value Measurements (Tables)

6 Months Ended

Jan. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured on Recurring Basis

The fair value of our financial assets measured on a recurring basis is as follows:

	As of July 31, 2022
	Level I		Level II		Level III		Total
	(in thousands)
Financial Assets:
Cash equivalents:
Money market funds	$	227,796	$	—	$	—	$	227,796
Commercial paper		—		27,927		—		27,927
Short-term investments:
Corporate bonds		—		409,024		—		409,024
Commercial paper		—		317,738		—		317,738
U.S. Government securities		—		194,667		—		194,667
Total measured at fair value	$	227,796	$	949,356	$	—	$	1,177,152
Cash								147,127
Total cash, cash equivalents and short-term investments							$	1,324,279

	As of January 31, 2023
	Level I		Level II		Level III		Total
	(in thousands)
Financial Assets:
Cash equivalents:
Money market funds	$	236,317	$	—	$	—	$	236,317
U.S. Government securities		—		2,979		—		2,979
Commercial paper		—		27,928		—		27,928
Short-term investments:
Corporate bonds		—		467,686		—		467,686
Commercial paper		—		235,575		—		235,575
U.S. Government securities		—		201,502		—		201,502
Total measured at fair value	$	236,317	$	935,670	$	—	$	1,171,987
Cash								139,377
Total cash, cash equivalents and short-term investments							$	1,311,364

The carrying values and estimated fair values of financial instruments not recorded at fair value are as follows:

	As of July 31, 2022				As of January 31, 2023
	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
	(in thousands)
2023 Notes	$	145,456	$	143,154	$	—	$	—
2026 Notes		589,200		759,086		618,995		973,154
2027 Notes		567,005		400,252		567,769		501,095
Total	$	1,301,661	$	1,302,492	$	1,186,764	$	1,474,249