Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2018

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Components of accumulated other comprehensive income (loss)

The following table presents changes in the components of accumulated other comprehensive loss (in thousands):

	Currency Translation			Employee Benefit Plans			Total
Balance, December 31, 2015	$	(57,201	)	$	(1,361	)	$	(58,562	)
Currency translation adjustment, net of income tax benefit of $8,672	(14,224		)	—			(14,224		)
Changes related to benefit plans, net of income tax benefit of $417	—			(1,128		)	(1,128		)
Balance, December 31, 2016	(71,425		)	(2,489		)	(73,914		)
Currency translation adjustment, net of income tax expense of $12,404	20,411			—			20,411
Changes related to benefit plans, net of income tax expense of $99	—			(298		)	(298		)
Balance, December 31, 2017	(51,014		)	(2,787		)	(53,801		)
Currency translation adjustment, net of income tax benefit of $4,949	(32,379		)	—			(32,379		)
Currency translation adjustment reclassified to gain on disposal, net of income tax expense of $11,769	37,577			—			37,577
Changes related to benefit plans, net of income tax benefit of $311	—			(2,644		)	(2,644		)
Balance, December 31, 2018	$	(45,816	)	$	(5,431	)	$	(51,247	)