INTANGIBLE ASSETS - Schedule of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Customer relationships and lists
Identifiable intangible assets [Abstract]
Gross Carrying Amount	$ 365,861	$ 370,763
Accumulated Amortization	$ 245,785	237,769
Customer relationships and lists \| Minimum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	10 years
Customer relationships and lists \| Maximum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	20 years
Other intangible assets with finite lives
Identifiable intangible assets [Abstract]
Gross Carrying Amount	$ 119,384	119,819
Accumulated Amortization	92,094	89,524
Trademarks and trade names
Identifiable intangible assets [Abstract]
Gross Carrying Amount	51,547	52,256
Accumulated Amortization	$ 44,132	43,655
Trademarks and trade names \| Minimum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	2 years
Trademarks and trade names \| Maximum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	17 years
Developed technology
Identifiable intangible assets [Abstract]
Gross Carrying Amount	$ 41,707	42,385
Accumulated Amortization	$ 25,020	23,415
Developed technology \| Minimum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	5 years
Developed technology \| Maximum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	12 years
Other
Identifiable intangible assets [Abstract]
Gross Carrying Amount	$ 26,130	25,178
Accumulated Amortization	$ 22,942	$ 22,454
Other \| Minimum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	2 years
Other \| Maximum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	18 years