Cash and Marketable Securities (Tables)

3 Months Ended

Aug. 31, 2021

Marketable Securities as of August 31, 2021 and May 31, 2021 are listed below by classification and remaining maturities.


(in thousands)	Maturity	August 31, 2021		May 31, 2021
Commercial Paper & Corporate Bonds	0 - 90 days		82,115		106,631
	91 - 180 days		78,299		78,727
	181 days - 1 year		90,026		87,590
	1 - 2 years		76,647		26,752
Certificates of Deposit	0 - 90 days		1,253		3,262
	91 - 180 days		1,006		1,260
	181 days - 1 year		251		1,263
	1 - 2 years		—		—

Total Marketable Securities		$	329,597	$	305,485

The components of marketable securities at August 31, 2021 are as follows:


(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Commercial Paper & Corporate Bonds	$	327,157	$	53	$	(123	)	$	327,087
Certificates of Deposit		2,503		7		—			2,510

Total Marketable Securities	$	329,660	$	60	$	(123	)	$	329,597

The components of marketable securities at May 31, 2021 are as follows:


(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Commercial Paper & Corporate Bonds	$	299,524	$	209	$	(33	)	$	299,700
Certificates of Deposit		5,755		30		—			5,785

Total Marketable Securities	$	305,279	$	239	$	(33	)	$	305,485