Income Taxes (Schedule Of Income From Continuing Operations Before Income Taxes) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income from continuing operations before income taxes:
Domestic		$ (9,116)	$ 38,402	$ 37,380
Foreign		(14,091)	7,014	15,552
Income (loss) from continuing operations before income taxes		(23,207)	45,416	52,932
Current income taxes:
Federal		12,693	14,568	15,988
State		973	2,178	1,416
Foreign		6,064	4,102	4,737
Current income taxes, Total		19,730	20,848	22,141
Deferred income taxes:
Federal		(9,419)	(9,530)	(2,933)
State		(1,035)	(417)	(852)
Foreign		(348)	(1,514)	(1,361)
Deferred income taxes, Total		(10,802)	(11,461)	(5,146)
Total income taxes	[1]	$ 8,928	$ 9,387	$ 16,995

[1] See Notes 1, 3, 4 and 18 for more information on losses associated with plant shutdowns, asset impairments and restructurings, unusual items, gains or losses from sale of assets, gains or losses on an investment accounted for under the fair value method and other items.