GOODWILL AND INTANGIBLE ASSETS: (Details 2) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Intangible assets
Gross carrying value of amortizable intangible assets	$ 87,803,000	$ 36,563,000
Accumulated Amortization	(33,554,000)	(20,429,000)
Net carrying value of amortizable intangible assets	54,249,000us-gaap_FiniteLivedIntangibleAssetsNet	16,134,000us-gaap_FiniteLivedIntangibleAssetsNet
Amortization expense of intangible assets	14,200,000us-gaap_AmortizationOfIntangibleAssets	9,300,000us-gaap_AmortizationOfIntangibleAssets	9,400,000us-gaap_AmortizationOfIntangibleAssets
Total amortizable intangible assets, excluding IPR&D
Intangible assets
Gross carrying value of amortizable intangible assets	74,039,000
Accumulated Amortization	(33,554,000)
Net carrying value of amortizable intangible assets	40,485,000
Licensed technology
Intangible assets
Gross carrying value of amortizable intangible assets	2,344,000	946,000
Accumulated Amortization	(366,000)	(946,000)
Net carrying value of amortizable intangible assets	1,978,000
Developed technology
Intangible assets
Gross carrying value of amortizable intangible assets	56,064,000	23,132,000
Accumulated Amortization	(24,654,000)	(14,695,000)
Net carrying value of amortizable intangible assets	31,410,000	8,437,000
Customer relationships
Intangible assets
Gross carrying value of amortizable intangible assets	13,376,000	10,956,000
Accumulated Amortization	(6,279,000)	(3,328,000)
Net carrying value of amortizable intangible assets	7,097,000	7,628,000
Customer contract
Intangible assets
Gross carrying value of amortizable intangible assets	1,529,000	1,529,000
Accumulated Amortization	(1,529,000)	(1,460,000)
Net carrying value of amortizable intangible assets		69,000
Backlog
Intangible assets
Gross carrying value of amortizable intangible assets	726,000
Accumulated Amortization	(726,000)
IPR&D
Intangible assets
Gross carrying value of amortizable intangible assets	13,764,000
Net carrying value of amortizable intangible assets	$ 13,764,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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