ACQUISITIONS AND DIVESTITURES - Aggregate Purchase Price Paid for Acquisitions and Other Adjustments to Consideration (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Business Combinations [Abstract]
Cash	$ 12,262	$ 18,899
Promissory notes	12,654	7,310
Deferred consideration	441	2,189
Contingent consideration	0	955
Total purchase price	$ 25,357	$ 29,353