Cash, Cash Equivalents and Investments (Tables)

12 Months Ended

Nov. 30, 2015

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

A summary of our cash, cash equivalents and available-for-sale investments at November 30, 2014 is as follows (in thousands):



	Amortized Cost Basis		Unrealized Gains		Unrealized Losses		Fair Value
Cash	$	195,189	$	—	$	—	$	195,189
Money market funds	67,893		—		—		67,893
State and municipal bond obligations	20,100		86		—		20,186
Total	$	283,182	$	86	$	—	$	283,268

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



	November 30, 2015				November 30, 2014
	Cash and Equivalents		Short-Term Investments		Cash and Equivalents		Short-Term Investments
Cash	$	186,241	$	—	$	195,189	$	—
Money market funds	26,138		—		67,893		—
State and municipal bond obligations	—		20,417		—		20,186
U.S. treasury bonds	—		3,094		—		—
U.S. government agency bonds	—		1,641		—		—
Corporate bonds	—		3,748		—		—
Total	$	212,379	$	28,900	$	263,082	$	20,186

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


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