Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of December 31, 2017:

(Dollars in thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)			Total Fair Value as of December 31, 2017
Assets
Cash equivalents	$	—	$	13,799	$	—		$	13,799
Available-for-sale securities		—		24,756		—			24,756
Total assets	$	—	$	38,555	$	—		$	38,555
Liabilities
Contingent consideration	$	—	$	—	$	(16,162	)	$	(16,162	)
Total liabilities	$	—	$	—	$	(16,162	)	$	(16,162	)

The following table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2017:

(Dollars in thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)			Total Fair Value as of September 30, 2017
Assets
Cash equivalents	$	—	$	6,639	$	—		$	6,639
Available-for-sale securities		—		31,802		—		$	31,802
Total assets	$	—	$	38,441	$	—		$	38,441
Liabilities
Contingent consideration	$	—	$	—	$	(14,864	)	$	(14,864	)
Total liabilities	$	—	$	—	$	(14,864	)	$	(14,864	)

Schedule of Contingent Consideration Liabilities Measured at Fair Value

The following table summarizes the changes in the contingent consideration liabilities measured at fair value using Level 3 inputs for the three months ended December 31, 2017 and 2016:

	Three Months Ended
	December 31,
(Dollars in thousands)	2017		2016
Beginning balance	$	14,864	$	14,517
Additions		—		—
Fair value adjustments		1,019		—
Settlements		—		—
Interest accretion		99		437
Foreign currency translation loss (gain)		180		(663	)
Ending balance	$	16,162	$	14,291