Goodwill and Acquired Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Acquired Intangible Assets

Goodwill and acquired intangible assets consisted of the following:

(in thousands)	September 30, 2023						September 30, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Goodwill (not amortized)					$	3,358,511					$	2,353,654
Intangible assets with finite lives (amortized)(1):
Purchased software	$	615,915	$	395,109	$	220,806	$	502,859	$	355,857	$	147,002
Capitalized software		22,877		22,877		—		22,877		22,877		—
Customer lists and relationships		1,116,117		413,125		702,992		594,970		369,390		225,580
Trademarks and trade names		36,851		19,400		17,451		27,546		17,410		10,136
Other		3,867		3,867		—		3,766		3,766		—
	$	1,795,627	$	854,378	$	941,249	$	1,152,018	$	769,300	$	382,718
Total goodwill and acquired intangible assets					$	4,299,760					$	2,736,372

(1)The weighted-average useful lives of purchased software, customer lists and relationships, and trademarks and trade names with a remaining net book value are 11 years, 17 years, and 11 years, respectively. The weighted-average useful life for all intangible assets in total is 15 years.

Schedule of Changes in Goodwill

Changes in goodwill were as follows:

(in thousands)
Balance, September 30, 2021	$	2,191,887
Intland Software acquisition		240,971
Other acquisitions		691
Divestiture of business		(32,992	)
Foreign currency translation adjustments		(46,903	)
Balance, September 30, 2022	$	2,353,654
ServiceMax acquisition		974,850
Other acquisitions		—
Foreign currency translation adjustments		30,007
Balance, September 30, 2023	$	3,358,511

Schedule of Aggregate Amortization Expense for Intangible Assets with Finite Lives

The aggregate amortization expense for intangible assets with finite lives recorded for the years ended September 30, 2023, 2022 and 2021 was reflected in our Consolidated Statements of Operations as follows:

(in thousands)	Year ended September 30,
	2023		2022		2021
Amortization of acquired intangible assets	$	40,022	$	34,970	$	29,396
Cost of revenue		35,694		25,578		29,769
Total amortization expense	$	75,716	$	60,548	$	59,165