v3.26.1
GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
6 Months Ended
Mar. 31, 2026
GOODWILL AND OTHER INTANGIBLE ASSETS  
Schedule of intangible assets gross carrying amounts and accumulated amortization from continuing operations

  ​ ​ ​

March 31, 

  ​ ​ ​

September 30, 

(Dollars in thousands)

  ​ ​ ​

2026

  ​ ​ ​

2025

Goodwill

$

761,181

761,931

 

Intangible assets with determinable lives:

 

Patents

 

Gross carrying amount

$

7,618

7,607

Less: accumulated amortization

 

2,030

1,775

Net

$

5,588

5,832

 

Capitalized software

 

Gross carrying amount

$

143,307

138,144

Less: accumulated amortization

 

106,097

100,818

Net

$

37,210

37,326

 

Customer relationships

 

Gross carrying amount

$

620,238

625,535

Less: accumulated amortization

 

178,987

159,543

Net

$

441,251

465,992

 

Other

 

Gross carrying amount

$

76,331

76,991

Less: accumulated amortization

 

40,595

24,829

Net

$

35,736

52,162

Intangible assets with indefinite lives:

 

Trade names

$

162,587

162,661

Schedule of carrying amount of goodwill attributable to each business segment

(Dollars in millions)

  ​ ​ ​

A&D

  ​ ​ ​

Test

  ​ ​ ​

USG

  ​ ​ ​

Total

Balance as of September 30, 2025

$

334.0

 

67.8

 

360.1

 

761.9

Acquisition activity and other

5.1

5.1

Foreign currency translation

(3.3)

(0.9)

(1.6)

(5.8)

Balance as of March 31, 2026

$

335.8

 

66.9

 

358.5

 

761.2