GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Mar. 31, 2021

GOODWILL AND OTHER INTANGIBLE ASSETS

Schedule of goodwill and intangible assets

	March 31,		September 30,
(Dollars in thousands)	2021		2020
Goodwill	$	411,661	408,063
Intangible assets with determinable lives:
Patents
Gross carrying amount	$	2,136	2,092
Less: accumulated amortization		915	858
Net	$	1,221	1,234
Capitalized software
Gross carrying amount	$	88,862	84,888
Less: accumulated amortization		60,563	57,302
Net	$	28,299	27,586
Customer relationships
Gross carrying amount	$	229,322	227,178
Less: accumulated amortization		73,864	67,643
Net	$	155,458	159,535
Other
Gross carrying amount	$	5,356	5,156
Less: accumulated amortization		3,586	3,260
Net	$	1,770	1,896
Intangible assets with indefinite lives:
Trade names	$	158,513	156,381

Schedule of carrying amount of goodwill attributable to each business segment

				Aerospace
(Dollars in millions)	USG		Test	& Defense	Total
Balance as of September 30, 2020		271.9	34.1	102.1	408.1
Acquisition activity		—	—	2.5	2.5
Foreign currency translation		1.1	—	—	1.1
Balance as of March 31, 2021	$	273.0	34.1	104.6	411.7