Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2017

Accumulated Other Comprehensive Income (Loss) [Abstract]

Schedule Of Accumulated Other Comprehensive Income (Loss) By Component

(in thousands)	Foreign currency translation adjustment		Defined benefit pension plan		Liquidation of non-US entity and purchase of non-controlling interests			Total
Balance at December 31, 2015	$	(37,675)	$	(1,873)	$	—	$	(39,548)
Other comprehensive income (loss)		(13,063)		(902)		288		(13,677)
Balance at December 31, 2016		(50,738)		(2,775)		288		(53,225)
Other comprehensive income		31,419		220		50		31,689
Balance at December 31, 2017	$	(19,319)	$	(2,555)	$	338	$	(21,536)