Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets consisted of the following:

	December 31, 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	$	18,478	$	(8,279	)	$	10,199
Developed technology		11.7		9,334		(1,702	)		7,632
Non-compete		5.0		230		(115	)		115
Patents and other		16.5		2,321		(1,459	)		862
Subtotal				30,363		(11,555	)		18,808
Unamortized intangible assets:
In-process research and development				688		—			688
Trademarks and trade names				580		—			580
Total			$	31,631	$	(11,555	)	$	20,076

	September 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	$	18,293	$	(7,834	)	$	10,459
Developed technology		11.7		9,297		(1,478	)		7,819
Non-compete		5.0		230		(103	)		127
Patents and other		16.5		2,321		(1,423	)		898
Subtotal				30,141		(10,838	)		19,303
Unamortized intangible assets:
In-process research and development				679		—			679
Trademarks and trade names				580		—			580
Total			$	31,400	$	(10,838	)	$	20,562

Estimated Amortization Expense

Based on the intangible assets in service as of December 31, 2017, excluding any possible future amortization associated with acquired in-process research and development (“IPR&D”), which has not met technological feasibility as of December 31, 2017, estimated amortization expense for the remainder of fiscal 2018 and each of the next five fiscal years is as follows (in thousands):

Remainder of 2018	$	2,015
2019		2,686
2020		2,511
2021		2,372
2022		2,332
2023		1,715