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BUSINESS COMBINATIONS Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) (USD $)	0 Months Ended	12 Months Ended
	Jul. 31, 2014	Dec. 31, 2014	Mar. 31, 2015
Business Acquisition [Line Items]
Goodwill		$ 191,088,000us-gaap_Goodwill	$ 188,554,000us-gaap_Goodwill
Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	143,059,000
Order or Production Backlog [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 months
Trade Names [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year
NMI [Domain]
Business Acquisition [Line Items]
Current assets	12,287,000
Fixed assets	983,000
Goodwill	86,123,000
Deferred tax assets	17,863,000
Other long-term assets	945,000
Current liabilities	(5,216,000)
Other liabilities assumed	(1,406,000)
NMI [Domain] \| Distributor and End-customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets acquired	3,910,000
NMI [Domain] \| Order or Production Backlog [Member]
Business Acquisition [Line Items]
Intangible assets acquired	1,670,000
NMI [Domain] \| Noncompete Agreements [Member]
Business Acquisition [Line Items]
Intangible assets acquired	1,000,000
NMI [Domain] \| Trade Names [Member]
Business Acquisition [Line Items]
Intangible assets acquired	300,000
NMI [Domain] \| Developed Technology Rights [Member]
Business Acquisition [Line Items]
Intangible assets acquired	10,910,000
NMI [Domain] \| In-process Technology [Member]
Business Acquisition [Line Items]
Intangible assets acquired	13,690,000
Goodwill [Member]
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments		1,900,000
income taxes [Member]
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments		300,000
Deferred Tax Asset [Domain]
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments		$ 1,600,000