Cash, Cash Equivalents and Investments

A summary of our cash, cash equivalents and available-for-sale investments at May 31, 2016 is as follows (in thousands):



	Amortized Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	174,198	$	—	$	—		$	174,198
Money market funds	5,535		—		—			5,535
State and municipal bond obligations	39,584		3		—			39,587
U.S. treasury bonds	4,658		—		(6		)	4,652
U.S. government agency bonds	1,633		—		—			1,633
Corporate bonds	3,501		3		—			3,504
Total	$	229,109	$	6	$	(6	)	$	229,109

A summary of our cash, cash equivalents and available-for-sale investments at November 30, 2015 is as follows (in thousands):



	Amortized Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	186,241	$	—	$	—		$	186,241
Money market funds	26,138		—		—			26,138
State and municipal bond obligations	20,387		30		—			20,417
U.S. treasury bonds	3,109		—		(15		)	3,094
U.S. government agency bonds	1,645		—		(4		)	1,641
Corporate bonds	3,756		—		(8		)	3,748
Total	$	241,276	$	30	$	(27	)	$	241,279

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



	May 31, 2016				November 30, 2015
	Cash and Equivalents		Short-Term Investments		Cash and Equivalents		Short-Term Investments
Cash	$	174,198	$	—	$	186,241	$	—
Money market funds	5,535		—		26,138		—
State and municipal bond obligations	—		39,587		—		20,417
U.S. treasury bonds	—		4,652		—		3,094
U.S. government agency bonds	—		1,633		—		1,641
Corporate bonds	—		3,504		—		3,748
Total	$	179,733	$	49,376	$	212,379	$	28,900

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.

We did not hold any investments with continuous unrealized losses as of May 31, 2016 or November 30, 2015.