Statements Of Consolidated Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income		$ 10,101	$ 9,863	$ 50,386
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments		(14,866)	(31,775)	(30,658)
Other changes in plan assets - amortization of actuarial gains (losses)	[1]	1,441	262	(6,863)
Net periodic pension costs amortization (loss) gain	[2]	3,152	(529)	(322)
Other comprehensive income (loss)		(10,273)	(32,042)	(37,843)
COMPREHENSIVE INCOME		(172)	(22,179)	12,543
Pension Liability [Member]
Other comprehensive (loss) income, net of tax:
Net of Income tax effect		800	0	(4,200)
Pension Liability Adjustment [Member]
Other comprehensive (loss) income, net of tax:
Net of Income tax effect		$ 1,800	$ (200)	$ (200)

[1] Net of an income tax effect of $0.8 million, $0.0 million, and $(4.2) million for the years ended December 31, 2016, 2015 and 2014, respectively.

[2] Net of an income tax effect of $1.8 million, $(0.2) million, and $(0.2) million for the years ended December 31, 2016, 2015 and 2014, respectively.