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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 27, 2019

GOODWILL AND OTHER INTANGIBLE ASSETS

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

		December 28,			Additional			Additions /			December 27,
		2018			Purchase Cost			Adjustments			2019
		(in thousands)
Reporting Unit:
Energy		$	96,999		$	39,690		$	(9,791)		$	126,898
Engineering and Consulting			749									749
		$	97,748		$	39,690		$	(9,791)		$	127,647
		December 29,			Additional			Additions /			December 28,
		2017			Purchase Cost			Adjustments			2018
		(in thousands)
Reporting Unit:
Energy		$	37,435		$	59,466		$	98		$	96,999
Engineering and Consulting			749			—			—			749
		$	38,184		$	59,466		$	98		$	97,748

Schedule of gross amounts and accumulated amortization of the Company's acquired identifiable intangible assets with finite useful lives

		December 27, 2019						December 28, 2018
		Gross			Accumulated			Gross			Accumulated			Amortization
		Amount			Amortization			Amount			Amortization			Period
														(in years)
Finite:
Backlog		$	7,134		$	3,763		$	2,514		$	2,155		1.0
Tradename			13,351			4,882			10,301			3,118		2.5		-		6.0
Non-compete agreements			2,320			1,384			1,420			1,042		4.0		-		5.0
Developed technology			14,620			3,227			12,920			944		8.0
Customer relationships			60,733			8,065			25,219			2,441		5.0		-		8.0
Total finite intangible assets		$	98,158		$	21,321		$	52,374		$	9,700
In-process research and technology (1)			—			—			1,690			—
Total intangible assets		$	98,158		$	21,321		$	54,064		$	9,700

⁽¹⁾ In-process research and technology is not amortized until put into use.

Schedule of estimated amortization expense for acquired identifiable intangible assets

			Future Intangible Asset
			Amortization expense
			(in thousands)
Fiscal year:
2020			13,025
2021			11,622
2022			11,233
2023			9,962
2024			6,871
Thereafter			24,124
		$	76,837

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- References

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- Definition

Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

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-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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