Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Stockholders' Equity Note [Abstract]

Schedule of Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

(in thousands)	December 31, 2018		December 31, 2017
Foreign currency translation adjustments	$	(31,695)	$	(12,355)
Unrealized gain (loss) on hedging activity	2,914		(358)
Pension and other postretirement benefit plans	(56)		(56)
Total	$	(28,837)	$	(12,769)