Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2015

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, 2015 and 2014:

	September 30, 2015								September 30, 2014
	(In thousands, except average life)
	Gross Carrying Amount		Accumulated Amortization			Net		Average Life	Gross Carrying Amount		Accumulated Amortization			Net		Average Life
Completed technology	$	87,820	$	(67,769	)	$	20,051	5	$	87,050	$	(61,189	)	$	25,861	5
Customer contracts and relationships	65,762		(38,930		)	26,832		12	55,130		(33,077		)	22,053		13
Trade names	576		(138		)	438		3	—		—			—
	$	154,158	$	(106,837	)	$	47,321	8	$	142,180	$	(94,266	)	$	47,914	8

Schedule of Amortization Expense

Amortization expense associated with our intangible assets, which has been reflected as a separate operating expense caption within the accompanying consolidated statements of income and comprehensive income, consisted of the following during fiscal 2015, 2014 and 2013:

	Year Ended September 30,
	2015		2014		2013
	(In thousands)
Cost of revenues	$	7,594	$	7,371	$	6,630
Selling, general and administrative expenses	6,079		4,546		6,905
Total	$	13,673	$	11,917	$	13,535

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future intangible asset amortization expense associated with intangible assets existing at September 30, 2015, was as follows (in thousands):

Year Ended September 30,
2016	$	14,209
2017	13,095
2018	6,018
2019	5,503
2020	3,394
Thereafter	5,102
Total	$	47,321

Schedule of Goodwill

The following table summarizes changes to goodwill during fiscal 2015 and 2014, both in total and as allocated to our operating segments. We have not recognized any goodwill impairment losses to date.

	Applications			Scores		Tools			Total
	(In thousands)
Balance at September 30, 2013	$	559,538		$	146,648	$	67,745		$	773,931
Addition from acquisitions	—			—		5,129			5,129
Adjustment related to prior acquisitions	298			—		—			298
Foreign currency translation adjustment	459			—		111			570
Balance at September 30, 2014	560,295			146,648		72,985			779,928
Addition from acquisitions	46,149			—		—			46,149
Foreign currency translation adjustment	(9,679		)	—		(1,648		)	(11,327		)
Balance at September 30, 2015	$	596,765		$	146,648	$	71,337		$	814,750