ACQUISITIONS Allocation of Total Purchase Price Paid for Acquisitions (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill	$ 290,772		$ 297,223
Net Cash Paid	$ 2,504	$ 20,766
Milestone and Ponte Technology [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Cash and Equivalents			643
Current Assets, Net of Cash Acquired			1,533
Fixed Assets			155
Intangibles			5,059
Goodwill			16,706
Total Assets Acquired			24,096
Total Liabilities Assumed			844
Net Assets Acquired			$ 23,252
Net Cash Paid		20,751
Equity Issued		1,858
Actual Cash Paid		$ 21,394