PURCHASED INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Purchased intangible assets
Gross	$ 283,177	$ 304,627
Accumulated Amortization	(70,919)	(86,702)
Net	212,258	217,925
Core technology
Purchased intangible assets
Gross	14,257	14,063
Accumulated Amortization	(14,229)	(14,031)
Net	28	32
Customer backlog
Purchased intangible assets
Gross		22,000
Accumulated Amortization		(22,000)
Net		0
Customer relationships
Purchased intangible assets
Gross	244,980	244,650
Accumulated Amortization	(52,880)	(47,254)
Net	192,100	197,396
Trademarks / Trade names
Purchased intangible assets
Gross	23,940	23,914
Accumulated Amortization	(3,810)	(3,417)
Net	$ 20,130	$ 20,497

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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