Restructuring Charges (Tables)

3 Months Ended

Mar. 31, 2019

Restructuring And Related Activities [Abstract]

Changes to Restructuring Liability by Major Restructuring Activity

Changes to the restructuring liability by major restructuring activity are as follows:

	GES						Other Restructurings
(in thousands)	Severance & Employee Benefits			Facilities			Severance & Employee Benefits			Total
Balance at December 31, 2018	$	2,039		$	200		$	12		$	2,251
Restructuring charges		426			219			43			688
Cash payments		(594	)		(62	)		(58	)		(714	)
Adjustment to liability		(41	)		51			6			16
Balance at March 31, 2019	$	1,830		$	408		$	3		$	2,241