Short-Term Investments (Tables)

12 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Short-term investments consisted of the following as of the dates presented (in thousands):


	June 30, 2023
	Amortized cost		Gross unrealized gains		Gross unrealized losses		Fair value
Corporate bonds	$	481,658	$	207	$	(2,382)	$	479,483
U.S. treasury securities	409,586		42		(1,260)		408,368
Asset-backed securities	51,321		8		(136)		51,193
Certificates of deposit	46,099		—		—		46,099
U.S. agency securities	58,166		—		(199)		57,967
	$	1,046,830	$	257	$	(3,977)	$	1,043,110


	June 30, 2022
	Amortized cost		Gross unrealized gains		Gross unrealized losses		Fair value
Corporate bonds	$	601,987	$	3	$	(4,786)	$	597,204
U.S. treasury securities	424,644		1		(2,917)		421,728
Asset-backed securities	51,622		—		(216)		51,406
Certificates of deposit	38,155		—		—		38,155
	$	1,116,408	$	4	$	(7,919)	$	1,108,493

Schedule of Gross Unrealized Loss and Fair Values

The following table presents the gross unrealized losses and fair values for those investments that were in an unrealized loss position as of the dates presented (in thousands):


	June 30, 2023
	Fair value		Unrealized losses
Corporate bonds	$	296,562	$	(2,382)
U.S. treasury securities	213,726		(1,260)
Asset-backed securities	38,426		(136)
U.S. agency securities	57,967		(199)
Total	$	606,681	$	(3,977)


	June 30, 2022
	Fair value		Unrealized losses
Corporate bonds	$	392,699	$	(4,786)
U.S. treasury securities	411,787		(2,917)
Asset backed securities	51,406		(216)
Total	$	855,892	$	(7,919)