SUPPLEMENTAL CASH FLOW DISCLOSURES - Schedule of Cash Flow Disclosures (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract]
Interest paid during the year	$ 19,372	$ 18,445	$ 15,601
Income taxes paid during the year, net of amount refunded	147,958	125,212	137,945
Fair value of assets acquired	155,274	454,596	267,306
Liabilities assumed	20,409	124,005	44,846
Cash paid	134,865	330,591	222,460
Less cash acquired	5,681	30,154	671
Net cash paid	$ 129,184	$ 300,437	$ 221,789