ACQUISITIONS - (Narrative) (Details) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 01, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) NumberAcquisitions
Business Combination [Line Items]
Sales		$ 869,170	$ 798,918	$ 2,551,391	$ 2,296,876
Net income (losses)		$ 124,832	$ 111,160	347,230	$ 287,126
2024 Business Acquisitions
Business Combination [Line Items]
Number of businesses acquired | NumberAcquisitions						2
Consideration for acquisitions						$ 235,000
Sales				63,000
Net income (losses)				$ (6,000)
WSC Inc.
Business Combination [Line Items]
Consideration for acquisitions	$ 34,000
I&C Solutions
Business Combination [Line Items]
Consideration for acquisitions						$ 201,000