September 30, 2023

September 30, 2022

Gross
Carrying
Value

Accumulated
Amortization

Net
Carrying
Amount

Gross
Carrying
Value

Accumulated
Amortization

Net
Carrying
Amount

Intangible assets with finite lives:

Customer relationships and contracts:

Aerospace

$

281,683

$

(236,143

)

$

45,540

$

281,683

$

(223,565

)

$

58,118

Industrial

378,804

(90,084

)

288,720

352,917

(66,812

)

286,105

Total

$

660,487

$

(326,227

)

$

334,260

$

634,600

$

(290,377

)

$

344,223

Intellectual property:

Aerospace

$

—

$

—

$

—

$

—

$

—

$

—

Industrial

3,139

(3,139

)

—

12,361

(12,361

)

—

Total

$

3,139

$

(3,139

)

$

—

$

12,361

$

(12,361

)

$

—

Process technology:

Aerospace

$

44,570

$

(39,551

)

$

5,019

$

76,370

$

(69,471

)

$

6,899

Industrial

83,456

(31,709

)

51,747

78,524

(27,464

)

51,060

Total

$

128,026

$

(71,260

)

$

56,766

$

154,894

$

(96,935

)

$

57,959

Other intangibles:

Aerospace

$

—

$

—

$

—

$

—

$

—

$

—

Industrial

554

(524

)

30

1,560

—

1,560

Total

$

554

$

(524

)

$

30

$

1,560

$

—

$

1,560

Intangible asset with indefinite life:

Trade name:

Aerospace

$

—

$

—

$

—

$

—

$

—

$

—

Industrial

61,307

—

61,307

56,838

—

56,838

Total

$

61,307

$

—

$

61,307

$

56,838

$

—

$

56,838

Total intangibles:

Aerospace

$

326,253

$

(275,694

)

$

50,559

$

358,053

$

(293,036

)

$

65,017

Industrial

527,260

(125,456

)

401,804

502,200

(106,637

)

395,563

Consolidated Total

$

853,513

$

(401,150

)

$

452,363

$

860,253

$

(399,673

)

$

460,580