GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Mar. 31, 2023

GOODWILL AND OTHER INTANGIBLE ASSETS

Schedule of intangible assets gross carrying amounts and accumulated amortization

	March 31,		September 30,
(Dollars in thousands)	2023		2022
Goodwill	$	505,194	492,709
Intangible assets with determinable lives:
Patents
Gross carrying amount	$	2,425	2,353
Less: accumulated amortization		1,154	1,091
Net	$	1,271	1,262
Capitalized software
Gross carrying amount	$	115,191	106,583
Less: accumulated amortization		74,787	70,476
Net	$	40,404	36,107
Customer relationships
Gross carrying amount	$	298,005	287,447
Less: accumulated amortization		105,013	96,921
Net	$	192,992	190,526
Other
Gross carrying amount	$	14,298	13,985
Less: accumulated amortization		8,779	7,440
Net	$	5,519	6,545
Intangible assets with indefinite lives:
Trade names	$	161,531	160,024

Schedule of carrying amount of goodwill attributable to each business segment

					Aerospace
(Dollars in millions)	USG		Test		& Defense	Total
Balance as of September 30, 2022	$	348.7		34.0	110.0	492.7
Acquisition activity and adjustments		—		—	5.7	5.7
Foreign currency translation		6.8		—	—	6.8
Balance as of March 31, 2023	$	355.5		34.0	115.7	505.2