Consolidated Statements Of Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues and other:
Sales		$ 896,177	$ 951,826	$ 959,346
Other income (expense), net		(20,113)	(6,697)	1,776
Total revenues, net of other expenses		876,064	945,129	961,122
Costs and expenses:
Cost of goods sold		725,459	778,113	784,675
Freight		29,838	28,793	28,625
Selling, general and administrative		71,911	69,526	71,195
Research and development		16,173	12,147	12,669
Amortization of intangibles		4,073	5,395	6,744
Interest expense		3,502	2,713	2,870
Asset impairments and costs associated with exit and disposal activities		3,850	3,026	1,412
Goodwill, Impairment Loss		44,465	0	0
Total		899,271	899,713	908,190
Income (loss) from continuing operations before income taxes		(23,207)	45,416	52,932
Income taxes	[1]	8,928	9,387	16,995
Income (loss) from continuing operations		(32,135)	36,029	35,937
Income (loss) from discontinued operations, net of tax	[1]	0	850	(13,990)
Net income (loss)		$ (32,135)	$ 36,879	$ 21,947
Basic:
Continuing operations (in usd per share)		$ (0.99)	$ 1.12	$ 1.12
Discontinued operations (in usd per share)		0.00	0.02	(0.44)
Net income (in usd per share)		(0.99)	1.14	0.68
Diluted:
Continuing operations (in usd per share)		(0.99)	1.11	1.10
Discontinued operations (in usd per share)		0.00	0.02	(0.43)
Net income (in usd per share)		$ (0.99)	$ 1.13	$ 0.67

[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.