GOODWILL (Goodwill Roll Forward) (Details) $ in Thousands	9 Months Ended
Sep. 30, 2025 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 1,181,575
Effect of net foreign currency exchange rate changes	27,897
Ending balance	1,208,912
Americas
Goodwill [Roll Forward]
Beginning balance	652,066
Effect of net foreign currency exchange rate changes	872
Ending balance	652,238
Europe
Goodwill [Roll Forward]
Beginning balance	529,509
Effect of net foreign currency exchange rate changes	27,025
Ending balance	556,674
2025 Acquisition
Goodwill [Roll Forward]
2025 Acquisition	3,197
2025 Acquisition \| Americas
Goodwill [Roll Forward]
2025 Acquisition	3,197
2025 Acquisition \| Europe
Goodwill [Roll Forward]
2025 Acquisition	0
NEORIS
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	(5,442)
NEORIS \| Americas
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	(4,460)
NEORIS \| Europe
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	(982)
First Derivative Acquisition
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	925
First Derivative Acquisition \| Americas
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	195
First Derivative Acquisition \| Europe
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	730
Other 2024 Acquisitions
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	760
Other 2024 Acquisitions \| Americas
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	368
Other 2024 Acquisitions \| Europe
Goodwill [Roll Forward]
NEORIS purchase accounting adjustment	$ 392

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