Fair Value Measurements (Tables)

6 Months Ended

May 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Measurements within the Fair Value Hierarchy of the Financial Assets

The following table details the fair value measurements within the fair value hierarchy of our financial assets and liabilities at May 31, 2016 (in thousands):

				Fair Value Measurements Using
	Total Fair Value			Level 1		Level 2			Level 3
Assets
Money market funds	$	5,535		$	5,535	$	—		$	—
State and municipal bond obligations	39,587			—		39,587			—
U.S. treasury bonds	4,652			—		4,652			—
U.S. government agency bonds	1,633			—		1,633			—
Corporate bonds	3,504			—		3,504			—
Liabilities
Foreign exchange derivatives	$	(3,649	)	$	—	$	(3,649	)	$	—

The following table details the fair value measurements within the fair value hierarchy of our financial assets and liabilities at November 30, 2015 (in thousands):

				Fair Value Measurements Using
	Total Fair Value			Level 1		Level 2			Level 3
Assets
Money market funds	$	26,138		$	26,138	$	—		$	—
State and municipal bond obligations	20,417			—		20,417			—
U.S. treasury bonds	3,094			—		3,094			—
U.S. government agency bonds	1,641			—		1,641			—
Corporate bonds	3,748			—		3,748			—
Liabilities
Foreign exchange derivatives	$	(4,021	)	$	—	$	(4,021	)	$	—

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The following table reflects the activity for our liabilities measured at fair value using Level 3 inputs, which relate to a contingent consideration obligation in connection with a prior acquisition, for each period presented (in thousands):

	Three Months Ended					Six Months Ended
	May 31, 2016		May 31, 2015			May 31, 2016		May 31, 2015
Balance, beginning of period	$	—	$	1,615		$	—	$	1,717
Changes in fair value of contingent consideration obligation	—		(1,111		)	—		(1,213		)
Transfer to Level 2 fair value measurement	—		(209		)	—		(209		)
Balance, end of period	$	—	$	295		$	—	$	295