GOODWILL (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill [Abstract]

Schedule of goodwill

The changes in the carrying amount of goodwill by operating segment consist of the following (in thousands):

	North America		International			Total
Goodwill, December 31, 2013	$	692,639	$	25,948		$	718,587
Acquisition	421,724		—			421,724
Effect of foreign currency translation	—		(1,506		)	(1,506		)
Goodwill, December 31, 2014	1,114,363		24,442			1,138,805
Acquisitions	112,947		2,400			115,347
Effect of foreign currency translation	—		(1,207		)	(1,207		)
Goodwill, December 31, 2015	$	1,227,310	$	25,635		$	1,252,945