Cash, Cash Equivalents and Short-Term Investments

3 Months Ended

Sep. 30, 2023

. Cash, Cash Equivalents and Short-Term Investments

The following table summarizes our cash, cash equivalents and short-term investments by category at September 2023 and June 2023 (in millions):


	September 2023
	Amortized Cost		Gross unrealized loss			Fair Value
Cash	$	323.6	$	—		$	323.6
Cash equivalents:
Money market funds		426.7		—			426.7
Certificates of deposit		51.0		—			51.0
Total cash and cash equivalents	$	801.3	$	—		$	801.3
Short-term investments:
Treasury bills	$	16.6	$	—		$	16.6
Corporate debt securities		5.6		(0.1	)		5.5
Municipal bonds		1.0		—			1.0
Total short-term investments	$	23.2	$	(0.1	)	$	23.1


	June 2023
	Amortized Cost		Gross unrealized loss			Fair Value
Cash	$	853.9	$	—		$	853.9
Cash equivalents:
Money market funds		54.4		—			54.4
Treasury bills		16.4		—			16.4
Total cash and cash equivalents	$	924.7	$	—		$	924.7
Short-term investments:
Certificates of deposit	$	0.2	$	—		$	0.2
Corporate debt securities		6.5		(0.2	)		6.3
Municipal bonds		3.1		—			3.1
Total short-term investments	$	9.8	$	(0.2	)	$	9.6

The following table classifies our short-term investments by contractual maturities (in millions):