Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2018

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, 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 December 31, 2018
Assets
Cash equivalents	$	—	$	—	$	—		$	—
Available-for-sale securities		—		31,453		—			31,453
Total assets	$	—	$	31,453	$	—		$	31,453
Liabilities
Contingent consideration	$	—	$	—	$	(3,326	)	$	(3,326	)
Total liabilities	$	—	$	—	$	(3,326	)	$	(3,326	)

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 months ended December 31, 2018 and 2017:

	Three Months Ended
	December 31,
(Dollars in thousands)	2018			2017
Beginning balance	$	14,466		$	14,864
Additions		—			—
Fair value adjustments		(149	)		1,019
Settlements		(10,979	)		—
Interest accretion		114			99
Foreign currency translation (gain)  loss		(126	)		180
Ending balance	$	3,326		$	16,162