Goodwill and Intangible Assets

3 Months Ended

Dec. 31, 2025

6. Goodwill and Intangible Assets

Goodwill and acquired intangible assets consisted of the following:


(in thousands)	December 31, 2025						September 30, 2025
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Goodwill					$	3,412,586					$	3,493,316
Intangible assets with finite lives:
Purchased software	$	547,186	$	388,320	$	158,866	$	639,104	$	472,357	$	166,747
Capitalized software		22,877		22,877		—		22,877		22,877		—
Customer lists and relationships		1,093,024		460,800		632,224		1,149,262		505,202		644,060
Trademarks and trade names		31,982		18,869		13,113		38,179		24,323		13,856
Other		3,511		3,511		—		4,019		4,019		—
Total intangible assets with finite lives	$	1,698,580	$	894,377	$	804,203	$	1,853,441	$	1,028,778	$	824,663
Total goodwill and acquired intangible assets					$	4,216,789					$	4,317,979

Changes in Goodwill were as follows:


(in thousands)
Balance, October 1, 2025	$	3,493,316
Reclassification to Assets held for sale		(82,204	)
Foreign currency translation adjustment		1,474
Balance, December 31, 2025	$	3,412,586

The aggregate amortization expense for intangible assets with finite lives is classified in our Consolidated Statements of Operations as follows:


(in thousands)	Three months ended
	December 31, 2025		December 31, 2024
Amortization of acquired intangible assets	$	12,072	$	11,440
Cost of revenue		7,900		8,300
Total amortization expense	$	19,972	$	19,740