Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

May 31, 2016

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.