ACQUISITIONS - Narrative (Details) - USD ($)	Jun. 01, 2022	May 10, 2022	May 12, 2021	Apr. 20, 2021	Jun. 25, 2022	Dec. 25, 2021
Business Acquisition [Line Items]
Goodwill					$ 741,743,000	$ 708,566,000
ConcealFab
Business Acquisition [Line Items]
Percentage acquired	51.00%
Cash paid in acquisition	$ 39,297,000
Contingent consideration liability, current	1,850,000
ConcealFab | Developed Technology
Business Acquisition [Line Items]
Goodwill	42,640,000
ConcealFab | Customer Relationships
Business Acquisition [Line Items]
Intangible assets acquired	26,200,000
ConcealFab | Trade Names
Business Acquisition [Line Items]
Intangible assets acquired	$ 5,000,000
Prospera
Business Acquisition [Line Items]
Cash paid in acquisition			$ 300,000,000
Goodwill expected to be tax deductible			$ 0
Prospera | Developed Technology
Business Acquisition [Line Items]
Useful life			5 years
Goodwill			$ 273,453,000
Intangible assets acquired			$ 32,900,000
Prospera | Trade Names
Business Acquisition [Line Items]
Useful life			7 years
Intangible assets acquired			$ 2,850,000
PivoTrac
Business Acquisition [Line Items]
Cash paid in acquisition				$ 12,500,000
Contingent consideration liability, current				1,500,000
Goodwill expected to be tax deductible				0
Consideration transferred				14,000,000
Goodwill				$ 10,800,000
PivoTrac | Customer Relationships
Business Acquisition [Line Items]
Useful life				8 years
Intangible assets acquired				$ 2,627,000
Valmont West Coast Engineering
Business Acquisition [Line Items]
Percentage acquired		20.00%
Consideration transferred		$ 4,292,000