Accumulated Other Comprehensive Loss

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Accumulated Other Comprehensive Loss

12. Accumulated Other Comprehensive Loss

Activity within accumulated other comprehensive loss for the six months ended June 30, 2018 and 2017, which consists of foreign currency translation adjustments, were as follows:

(in thousands)	Accumulated other comprehensive loss
Balance at December 31, 2017	$	(77,356	)
Other comprehensive loss		(7,248	)
Balance at June 30, 2018	$	(84,604	)
	Accumulated other comprehensive loss
Balance at December 31, 2016	$	(94,100	)
Other comprehensive income		15,120
Balance at June 30, 2017	$	(78,980	)