GOODWILL (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill for the twelve months ended December 31, 2018 and 2017 are as follows:

(in thousands)
Goodwill at December 31, 2016	$	255,665
Goodwill acquired		87,261
Goodwill adjustments due to currency translation		3,588
Goodwill at December 31, 2017	$	346,514
Goodwill acquired		25,605
Goodwill adjustments due to currency translation		(3,638	)
Goodwill at December 31, 2018	$	368,481