ACQUISITIONS - Narrative (Details) $ in Thousands, $ in Millions				3 Months Ended
	Aug. 10, 2022 USD ($)	Jun. 01, 2022 USD ($)	May 10, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 AUD ($)	Jul. 01, 2023 USD ($)	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Goodwill						$ 744,271	$ 739,861
Non-controlling interest in consolidated subsidiaries						$ 58,068	$ 60,865
Conceal Fab
Business Acquisition [Line Items]
Cash paid to acquire business		$ 39,287
Percentage acquired		51.00%
Current assets		$ 21,133
Property, plant, and equipment		3,813
Other non-current assets		9,108
Goodwill		42,465
Total fair value of assets acquired		107,719
Current Liabilities		6,658
Long-term debt		2,038
Operating lease liabilities		7,812
Deferred income taxes		5,464
Other non-current liabilities		12
Total fair value of liabilities assumed		21,984
Non-controlling interest in consolidated subsidiaries		41,693
Net assets acquired		44,042
Contingent consideration liability, current		1,850
Convert Italia S.p.A.
Business Acquisition [Line Items]
Percentage acquired	9.00%
Consideration transferred	$ 3,046
Valmont West Coast Engineering
Business Acquisition [Line Items]
Percentage acquired			20.00%
Consideration transferred			$ 4,292
HR Products | Subsequent Event [Member]
Business Acquisition [Line Items]
Expected total purchase price				$ 40,000	$ 60
Customer Relationships | Conceal Fab
Business Acquisition [Line Items]
Intangible assets		26,200
Trade Names | Conceal Fab
Business Acquisition [Line Items]
Intangible assets		$ 5,000