INTANGIBLE ASSETS - Schedule of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Identifiable intangible assets [Abstract]
Gross Carrying Amount	$ 490,380	$ 470,250
Accumulated Amortization	322,921	305,200
Customer relationships and lists
Identifiable intangible assets [Abstract]
Gross Carrying Amount	370,726	354,051
Accumulated Amortization	$ 234,597	221,567
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	$ 119,654	116,199
Accumulated Amortization	88,324	83,633
Trademarks and trade names
Identifiable intangible assets [Abstract]
Gross Carrying Amount	52,256	50,971
Accumulated Amortization	$ 43,303	41,417
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	$ 42,379	40,074
Accumulated Amortization	$ 22,790	20,362
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	$ 25,019	25,154
Accumulated Amortization	$ 22,231	$ 21,854
Other | Minimum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	2 years
Other | Maximum
Identifiable intangible assets [Abstract]
Amortization Period (in years)	18 years