Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2019

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 March 31, 2019:

(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 March 31, 2019
Assets
Cash equivalents	$	—	$	17,950	$	—		$	17,950
Available-for-sale securities		—		24,023		—			24,023
Total assets	$	—	$	41,973	$	—		$	41,973
Liabilities
Contingent consideration	$	—	$	—	$	(3,009	)	$	(3,009	)
Total liabilities	$	—	$	—	$	(3,009	)	$	(3,009	)

The following table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2018:

(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, 2018
Assets
Cash equivalents	$	—	$	13,999	$	—		$	13,999
Available-for-sale securities		—		41,352		—		$	41,352
Total assets	$	—	$	55,351	$	—		$	55,351
Liabilities
Contingent consideration	$	—	$	—	$	(14,466	)	$	(14,466	)
Total liabilities	$	—	$	—	$	(14,466	)	$	(14,466	)

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 and six months ended March 31, 2019 and 2018:

	Three Months Ended						Six Months Ended
	March 31,						March 31,
(Dollars in thousands)	2019			2018			2019			2018
Beginning balance	$	3,326		$	16,162		$	14,466		$	14,864
Additions		—			—			—			—
Fair value adjustments		(362	)		(2,317	)		(511	)		(1,298	)
Settlements		—			(925	)		(10,979	)		(925	)
Interest accretion		45			87			159			186
Foreign currency translation loss (gain)		—			338			(126	)		518
Ending balance	$	3,009		$	13,345		$	3,009		$	13,345