Restructuring Charges (Tables)

12 Months Ended

Dec. 31, 2021

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		6,071			1,817			492			8,380
Cash payments		(5,169	)		(752	)		(272	)		(6,193	)
Adjustment to liability		(6	)		74			7			75
Balance at December 31, 2019		2,935			1,339			239			4,513
Restructuring charges		6,563			5,784			1,093			13,440
Cash payments		(7,051	)		(2,573	)		(1,201	)		(10,825	)
Non-cash items(1)		—			(1,789	)		—			(1,789	)
Adjustment to liability		(7	)		5			(107	)		(109	)
Balance at December 31, 2020		2,440			2,766			24			5,230
Restructuring charges		1,829			4,107			130			6,066
Cash payments		(2,302	)		(3,506	)		(91	)		(5,899	)
Non-cash items(1)		—			(1,906	)		—			(1,906	)
Adjustment to liability		9			(28	)		(37	)		(56	)
Balance at December 31, 2021	$	1,976		$	1,433		$	26		$	3,435

(1)Represents non-cash adjustments related to a write down of certain ROU assets as a result of vacating certain facilities prior to the lease term during the year ended December 31, 2021 and the closure and liquidation of GES’ United Kingdom-based audio-visual services business during the year ended December 31, 2020.