GOODWILL AND INTANGIBLE ASSETS Intangibles Gross (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Gross value	$ 319,461	$ 330,920
Accumulated amortization	(181,121)	(179,758)
Net book value of amortized intangible assets	$ 138,340	$ 151,162

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

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

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- Definition

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

+ References

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- Definition

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

+ References

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