BUSINESS COMBINATIONS - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jul. 31, 2014
Business Acquisition [Line Items]
Goodwill	$ 191,451	$ 191,088
Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			$ 143,059
NMI [Member]
Business Acquisition [Line Items]
Current assets			12,287
Fixed assets			983
Goodwill			86,123
Deferred tax assets			17,863
Other long-term assets			945
Current liabilities			(5,216)
Other liabilities assumed			(1,406)
NMI [Member] | Distributor and End-customer Relationships
Business Acquisition [Line Items]
Intangible assets acquired			3,910
NMI [Member] | Order or Production Backlog
Business Acquisition [Line Items]
Intangible assets acquired			1,670
NMI [Member] | Noncompete Agreements
Business Acquisition [Line Items]
Intangible assets acquired			1,000
NMI [Member] | Trade Names
Business Acquisition [Line Items]
Intangible assets acquired			300
NMI [Member] | Developed Technology Rights
Business Acquisition [Line Items]
Intangible assets acquired			10,910
NMI [Member] | In-process Technology
Business Acquisition [Line Items]
Intangible assets acquired			$ 13,690