Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2019

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)	(6,787)		207		(798)		256		(7,122)
Balance at September 30, 2019	$	(43,456)	$	(2,440)	$	(798)	$	594	$	(46,100)