GOODWILL AND INTANGIBLE ASSETS, NET (Schedule of Goodwill by Reportable Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Balance beginning of period	$ 530,723	$ 211,956
Goodwill impairment	(686)
Effect of net foreign currency exchange rate changes	(15,493)	(7,101)
Balance end of period	529,072	530,723
North America
Goodwill [Roll Forward]
Balance beginning of period	217,594	121,132
Goodwill impairment	0
Effect of net foreign currency exchange rate changes	(570)	(616)
Balance end of period	216,960	217,594
Europe
Goodwill [Roll Forward]
Balance beginning of period	312,413	90,106
Goodwill impairment	0
Effect of net foreign currency exchange rate changes	(14,893)	(6,483)
Balance end of period	312,112	312,413
Russia
Goodwill [Roll Forward]
Balance beginning of period	716	718
Goodwill impairment	(686)
Effect of net foreign currency exchange rate changes	(30)	(2)
Balance end of period	0	716
Emakina
Goodwill [Roll Forward]
Acquisitions		136,614
Purchase accounting adjustments	2,602
Emakina \| North America
Goodwill [Roll Forward]
Acquisitions		0
Purchase accounting adjustments	0
Emakina \| Europe
Goodwill [Roll Forward]
Acquisitions		136,614
Purchase accounting adjustments	2,602
Emakina \| Russia
Goodwill [Roll Forward]
Acquisitions		0
Purchase accounting adjustments	0
PolSource
Goodwill [Roll Forward]
Acquisitions		125,339
Purchase accounting adjustments	(74)
PolSource \| North America
Goodwill [Roll Forward]
Acquisitions		75,203
Purchase accounting adjustments	(44)
PolSource \| Europe
Goodwill [Roll Forward]
Acquisitions		50,136
Purchase accounting adjustments	(30)
PolSource \| Russia
Goodwill [Roll Forward]
Acquisitions		0
Purchase accounting adjustments	0
CORE
Goodwill [Roll Forward]
Acquisitions		23,234
Purchase accounting adjustments	959
CORE \| North America
Goodwill [Roll Forward]
Acquisitions		0
Purchase accounting adjustments	0
CORE \| Europe
Goodwill [Roll Forward]
Acquisitions		23,234
Purchase accounting adjustments	959
CORE \| Russia
Goodwill [Roll Forward]
Acquisitions		0
Purchase accounting adjustments	0
Other 2021 Acquisitions
Goodwill [Roll Forward]
Acquisitions		40,705
Purchase accounting adjustments	917
Other 2021 Acquisitions \| North America
Goodwill [Roll Forward]
Acquisitions		21,875
Purchase accounting adjustments	(20)
Other 2021 Acquisitions \| Europe
Goodwill [Roll Forward]
Acquisitions		18,830
Purchase accounting adjustments	937
Other 2021 Acquisitions \| Russia
Goodwill [Roll Forward]
Acquisitions		0
Purchase accounting adjustments	0
2020 Acquisitions purchase accounting adjustments
Goodwill [Roll Forward]
Purchase accounting adjustments		(24)
2020 Acquisitions purchase accounting adjustments \| North America
Goodwill [Roll Forward]
Purchase accounting adjustments		0
2020 Acquisitions purchase accounting adjustments \| Europe
Goodwill [Roll Forward]
Purchase accounting adjustments		(24)
2020 Acquisitions purchase accounting adjustments \| Russia
Goodwill [Roll Forward]
Purchase accounting adjustments		$ 0
2022 Acquisitions
Goodwill [Roll Forward]
Acquisitions	10,124
2022 Acquisitions \| North America
Goodwill [Roll Forward]
Acquisitions	0
2022 Acquisitions \| Europe
Goodwill [Roll Forward]
Acquisitions	10,124
2022 Acquisitions \| Russia
Goodwill [Roll Forward]
Acquisitions	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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