ACQUISITIONS Allocation of Total Purchase Price Paid for Acquisitions (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill	$ 289,990		$ 297,223
Net Cash Paid	0	$ 16,328
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