Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the six months ended March 31, 2023 are as follows (dollars in thousands):

	Total
Balance as of September 30, 2022	$	890,802
Effect of foreign currency translation		13,248
Balance as of March 31, 2023	$	904,050

Summary of Gross Carrying Amounts and Accumulated Amortization of Intangible Assets by Major Class

The following tables summarizes the gross carrying amounts and accumulated amortization of intangible assets by major class (dollars in thousands):

	March 31, 2023
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Remaining Life (Years)
Customer relationships	$	107,913	$	(102,925	)	$	4,988		2.0
Technology and patents		89,752		(89,441	)		311		0.7
Total	$	197,665	$	(192,366	)	$	5,299

	September 30, 2022
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Remaining Life (Years)
Customer relationships	$	104,498	$	(95,315	)	$	9,183		1.7
Technology and patents		88,600		(88,083	)		517		1.2
Total	$	193,098	$	(183,398	)	$	9,700