Fair Value Measurements (Tables)

3 Months Ended

Feb. 29, 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 February 29, 2016 (in thousands):

				Fair Value Measurements Using
	Total Fair Value			Level 1		Level 2			Level 3
Assets
Money market funds	$	7,282		$	7,282	$	—		$	—
State and municipal bond obligations	38,295			—		38,295			—
U.S. treasury bonds	4,105			—		4,105			—
U.S. government agency bonds	1,638			—		1,638			—
Corporate bonds	3,749			—		3,749			—
Liabilities
Foreign exchange derivatives	$	(5,100	)	$	—	$	(5,100	)	$	—

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 for each period presented (in thousands):

	Three Months Ended
	February 29, 2016		February 28, 2015
Balance, beginning of period	$	—	$	1,717
Changes in fair value of contingent consideration obligation	—		(102		)
Balance, end of period	$	—	$	1,615