Cash, Cash Equivalents and Investments (Tables)

3 Months Ended

Feb. 28, 2017

A summary of our cash, cash equivalents and available-for-sale investments at February 28, 2017 is as follows (in thousands):



	Amortized Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	210,872	$	—	$	—		$	210,872
Money market funds	16,035		—		—			16,035
State and municipal bond obligations	27,289		—		(6		)	27,283
U.S. treasury bonds	5,686		—		(24		)	5,662
Corporate bonds	4,339		1		—			4,340
Total	$	264,221	$	1	$	(30	)	$	264,192

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):



	February 28, 2017				November 30, 2016
	Cash and Equivalents		Short-Term Investments		Cash and Equivalents		Short-Term Investments
Cash	$	210,872	$	—	$	196,863	$	—
Money market funds	16,035		—		10,173		—
State and municipal bond obligations	—		27,283		—		32,724
U.S. treasury bonds	—		5,662		—		6,513
Corporate bonds	—		4,340		—		3,481
Total	$	226,907	$	37,285	$	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, which are securities representing investments available for current operations and are classified as current in the consolidated balance sheets.