Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

May 31, 2017

A summary of our cash, cash equivalents and available-for-sale investments at May 31, 2017 is as follows (in thousands):



	Amortized Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	191,940	$	—	$	—		$	191,940
Money market funds	5,946		—		—			5,946
State and municipal bond obligations	37,195		11		—			37,206
U.S. treasury bonds	5,680		—		(28		)	5,652
Corporate bonds	4,338		—		—			4,338
Total	$	245,099	$	11	$	(28	)	$	245,082

A summary of our cash, cash equivalents and available-for-sale investments at November 30, 2016 is as follows (in thousands):



	Amortized Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	196,863	$	—	$	—		$	196,863
Money market funds	10,173		—		—			10,173
State and municipal bond obligations	32,831		—		(107		)	32,724
U.S. treasury bonds	6,542		—		(29		)	6,513
Corporate bonds	3,485		—		(4		)	3,481
Total	$	249,894	$	—	$	(140	)	$	249,754

Such amounts are classified on our condensed consolidated balance sheets as follows (in thousands):



	May 31, 2017				November 30, 2016
	Cash and Equivalents		Short-Term Investments		Cash and Equivalents		Short-Term Investments
Cash	$	191,940	$	—	$	196,863	$	—
Money market funds	5,946		—		10,173		—
State and municipal bond obligations	—		37,206		—		32,724
U.S. treasury bonds	—		5,652		—		6,513
Corporate bonds	—		4,338		—		3,481
Total	$	197,886	$	47,196	$	207,036	$	42,718

The fair value of debt securities by contractual maturity is as follows (in thousands):


(1)	Includes state and municipal bond obligations and corporate bonds, which are securities representing investments available for current operations and are classified as current in the consolidated balance sheets.