Short-Term Investments (Tables)

12 Months Ended

Jun. 30, 2022

Investments, Debt and Equity Securities [Abstract]

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


	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


	June 30, 2021
	Amortized cost		Gross unrealized gains		Gross unrealized losses		Fair value
Corporate bonds	$	466,403	$	111	$	(55)	$	466,459
U.S. treasury securities	155,663		16		(5)		155,674
Asset-backed securities	26,391		16		(1)		26,406
Certificates of deposit	6,775		—		—		6,775
	$	655,232	$	143	$	(61)	$	655,314

Schedule of Gross Unrealized Loss and Fair Values

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


	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)


	June 30, 2021
	Fair value		Unrealized losses
Corporate bonds	$	152,485	$	(55)
U.S. treasury securities	85,466		(5)
Asset backed securities	8,089		(1)
Total	$	246,040	$	(61)