RESTRUCTURING, ACQUISITION, INTEGRATION, AND OTHER EXPENSES (Tables)

12 Months Ended

Dec. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of restructuring, acquisition, integration, and other expenses, net

Restructuring, acquisition, integration, and other expenses in the Consolidated Statements of Operations consisted of the following (in thousands):

	Year Ended December 31,
	2018		2017		2016
Restructuring and other expense	$	4,934	$	12,134	$	10,334
Acquisition and integration expenses	1,523		528		10,122
Change in fair value of contingent consideration	—		—		(4,597		)
Total restructuring, acquisition, integration, and other expenses	$	6,457	$	12,662	$	15,859