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SEGMENT AND GEOGRAPHICAL INFORMATION - Segment Assets (Details) - USD ($) $ in Thousands	Apr. 03, 2026	Jan. 02, 2026	Apr. 04, 2025
Assets:
Segment assets	$ 511,684	$ 544,211	$ 471,158
Operating Segments | Energy
Assets:
Segment assets	399,813		349,662
Operating Segments | Engineering and Consulting
Assets:
Segment assets	46,402		41,633
Corporate, Non-Segment
Assets:
Segment assets	$ 65,469		$ 79,863

X

- Definition

Amount of asset recognized for present right to economic benefit.

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