Accumulated Other Comprehensive Loss

6 Months Ended

Jun. 30, 2017

Accumulated Other Comprehensive Loss [Abstract]

Accumulated Other Comprehensive Loss

(15)  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			Total
Balance at December 31, 2016	$	(50,450)	$	(2,775)	$	(53,225)
Other comprehensive income (loss)		20,746		(81)		20,665
Balance at June 30, 2017	$	(29,704)	$	(2,856)	$	(32,560)

For additional information about foreign currency translation, see Note 7.