Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Subject to Amortization

Intangible assets that are subject to amortization consisted of the following at September 30, 2019 and 2018: 

	September 30, 2019								September 30, 2018
	Gross Carrying Amount		Accumulated Amortization			Net		Average Life	Gross Carrying Amount		Accumulated Amortization			Net		Average Life
	(In thousands, except average life)
Completed technology	$	82,724	$	(77,331	)	$	5,393	5	$	82,295	$	(77,400	)	$	4,895	5
Customer contracts and relationships	30,583		(22,283		)	8,300		8	28,692		(19,051		)	9,641		8
Trade names	150		(25		)	125		1	—		—			—		0
Non-compete agreements	350		(29		)	321		2	—		—			—		0
	$	113,807	$	(99,668	)	$	14,139		$	110,987	$	(96,451	)	$	14,536

Schedule of Amortization Expense

	Year Ended September 30,
	2019		2018		2017
	(In thousands)
Completed technology	$	1,974	$	2,380	$	6,511
Customer contracts and relationships	4,098		4,214		6,009
Trade names	25		—		189
Non-compete agreements	29		—		—
Total	$	6,126	$	6,594	$	12,709

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future intangible asset amortization expense associated with intangible assets existing at September 30, 2019, was as follows (in thousands): 

Year Ending September 30,
2020	$	4,959
2021	3,617
2022	3,329
2023	1,317
2024	917
Thereafter	—
Total	$	14,139

Schedule of Goodwill

The following table summarizes changes to goodwill during fiscal 2019 and 2018, both in total and as allocated to our operating segments. We have not recognized any goodwill impairment losses to date. 

	Applications			Scores		Decision Management Software			Total
	(In thousands)
Balance at September 30, 2017	$	588,288		$	146,648	$	69,478		$	804,414
Foreign currency translation adjustment	(3,127		)	—		(397		)	(3,524		)
Balance at September 30, 2018	585,161			146,648		69,081			800,890
Addition from acquisitions	11,233			—		—			11,233
Foreign currency translation adjustment	(7,780		)	—		(801		)	(8,581		)
Balance at September 30, 2019	$	588,614		$	146,648	$	68,280		$	803,542