PURCHASED INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Purchased intangible assets
Gross	$ 304,125	$ 307,902
Accumulated Amortization	(74,760)	(52,326)
Net	229,365	255,576
Core technology
Purchased intangible assets
Gross	14,059	15,647
Accumulated Amortization	(13,438)	(14,209)
Net	621	1,438
Customer relationships
Purchased intangible assets
Gross	244,692	246,718
Accumulated Amortization	(40,255)	(36,047)
Net	204,437	210,671
Customer backlog
Purchased intangible assets
Gross	21,500	21,500
Accumulated Amortization	(18,429)	0
Net	3,071	21,500
Trademarks / Trade names
Purchased intangible assets
Gross	23,874	24,037
Accumulated Amortization	(2,638)	(2,070)
Net	$ 21,236	$ 21,967

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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