Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Note [Abstract]

Schedule of Accumulated Other Comprehensive Loss

The changes in the balances of accumulated other comprehensive loss by component are as follows:

(in thousands)	Foreign currency translation adjustment		Defined benefit pension plan		Derivative financial instruments		Liquidation of non-US entity and purchase of non-controlling interests		Total
Balance at December 31, 2018	$	(36,669)	$	(2,647)	$	—	$	338	$	(38,978)
Other comprehensive income (loss)	3,053		(1,060)		(318)		256		1,931
Balance at December 31, 2019	(33,616)		(3,707)		(318)		594		(37,047)
Other comprehensive income (loss)	28,752		783		(1,638)		(561)		27,336
Amounts reclassified from accumulated other comprehensive income (loss) a	—		—		1,235		—		1,235
Balance at December 31, 2020	$	(4,864)	$	(2,924)	$	(721)	$	33	$	(8,476)

a.Amount reclassified into Interest and other expense, net on the statement of operations. See Note 13.