Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible assets consisted of the following:

	June 30, 2017
(Dollars in thousands)	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists and relationships		8.9	$	17,888	$	(7,349	)	$	10,539
Core technology		8.0		530		(530	)		—
Developed technology		10.8		9,216		(1,247	)		7,969
Non-compete		5.0		230		(92	)		138
Patents and other		16.5		2,321		(1,387	)		934
Subtotal				30,185		(10,605	)		19,580
Unamortized intangible assets:
In-process research and development				1,004		—			1,004
Trademarks and trade names				646		—			646
Total			$	31,835	$	(10,605	)	$	21,230

	September 30, 2016
(Dollars in thousands)	Weighted Average Original Life (Years)		Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Customer lists and relationships		8.9	$	17,692	$	(6,123	)	$	11,569
Core technology		8.0		530		(530	)		—
Developed technology		11.8		8,724		(618	)		8,106
Non-compete		5.0		230		(58	)		172
Patents and other		16.5		2,321		(1,275	)		1,046
Subtotal				29,497		(8,604	)		20,893
Unamortized intangible assets:
In-process research and development				987		—			987
Trademarks and trade names				645		—			645
Total			$	31,129	$	(8,604	)	$	22,525

Estimated Amortization Expense

Based on the intangible assets in service as of June 30, 2017, excluding any possible future amortization associated with acquired in-process research and development (“IPR&D”), which has not met technological feasibility as of June 30, 2017, estimated amortization expense for the remainder of fiscal 2017 and each of the next five fiscal years is as follows:

(Dollars in thousands)
Remainder of 2017	$	699
2018		2,606
2019		2,606
2020		2,430
2021		2,291
2022		2,251