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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 27, 2024

GOODWILL AND OTHER INTANGIBLE ASSETS

Schedule of changes in the carrying value of goodwill by reporting unit

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​

​

​

​

​

​

​

​

​

​

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​

​

​

​

December 29,

​

Additional

​

Additions /

​

December 27,

​

2023

Purchase Cost

Adjustments

2024

​

​

(in thousands)

Reporting Unit:

​

​

​

​

​

​

​

​

​

​

​

​

Energy

​

$

129,375

​

$

9,847

​

$

—

​

$

139,222

Engineering and Consulting

​

​

1,769

​

​

—

​

​

—

​

​

1,769

​

​

$

131,144

​

$

9,847

​

$

—

​

$

140,991

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

December 30,

​

Additional

​

Additions /

​

December 29,

​

2022

Purchase Cost

Adjustments

2023

​

​

(in thousands)

Reporting Unit:

​

​

​

​

​

​

​

​

​

​

​

​

Energy

​

$

129,375

​

$

—

​

$

—

​

$

129,375

Engineering and Consulting

​

​

749

​

​

1,020

​

​

—

​

​

1,769

​

​

$

130,124

​

$

1,020

​

$

—

​

$

131,144

Schedule of gross amounts and accumulated amortization of acquired identifiable intangible assets with finite useful lives

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December 27, 2024

​

December 29, 2023

​

​

​

​

​

​

​

​

Gross

​

Accumulated

​

Gross

​

Accumulated

​

Amortization

​

Amount

Amortization

Amount

Amortization

Period

​

​

(in thousands)

​

(in years)

Finite:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Backlog

​

$

8,882

​

$

8,350

​

$

8,306

​

$

8,095

​

1.0

Tradename

​

​

16,123

​

​

13,196

​

​

15,936

​

​

12,695

2.5

​

-

​

6.0

Non-compete agreements

​

​

1,613

​

​

1,488

​

​

1,613

​

​

1,440

​

4.0

​

-

​

5.0

Developed technology

​

​

15,810

​

​

15,286

​

​

15,810

​

​

14,521

​

8.0

Customer relationships

​

​

62,041

​

​

36,735

​

​

58,149

​

​

31,107

​

5.0

​

-

​

12.0

Total intangible assets

​

$

104,469

​

$

75,055

​

$

99,814

​

$

67,858

​

​

​

​

​

​

Schedule of estimated amortization expense for acquired identifiable intangible assets

​

​	​	​	​
​	​	​	Future Intangible Asset
​	​	​	Amortization expense
​	​	​	(in thousands)
Fiscal year:	​	​	​
2025	​	$	7,069
2026	​		6,126
2027	​		5,865
2028	​	​	5,254
2029	​	​	1,530
Thereafter	​	​	3,570
​	​	$	29,414

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Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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-Topic 350
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Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

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