PURCHASED INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Purchased intangible assets
Gross	$ 70,791	$ 71,170
Accumulated Amortization	(36,194)	(34,712)
Net	34,597	36,458
Core technology
Purchased intangible assets
Gross	23,356	23,391
Accumulated Amortization	(7,438)	(7,155)
Net	15,918	16,236
Customer relationships
Purchased intangible assets
Gross	44,928	45,269
Accumulated Amortization	(26,965)	(25,813)
Net	17,963	19,456
Trademarks / Trade names
Purchased intangible assets
Gross	2,507	2,510
Accumulated Amortization	(1,791)	(1,744)
Net	$ 716	$ 766

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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