Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and Cash Equivalents	$ 44,997	$ 58,033
Restricted Cash	632	517
Accounts Receivable, less Allowances of $2,641 and $3,108, respectively	137,383	149,134
Inventories	88,093	78,622
Prepaid Expenses	14,511	9,204
Other Current Assets	2,172	2,412
Total Current Assets	287,788	297,922
Property, Plant and Equipment	304,318	298,500
Accumulated Depreciation	(191,398)	(186,403)
Property, Plant and Equipment, Net	112,920	112,097
Deferred Income Taxes	16,281	13,439
Goodwill	21,456	21,065
Intangible Assets, Net	8,769	6,460
Other Assets	19,933	19,054
Total Assets	467,147	470,037
Current Liabilities:
Current Portion of Long-Term Debt	33	3,459
Accounts Payable	49,521	47,408
Employee Compensation and Benefits	23,450	35,997
Income Taxes Payable	2,056	2,348
Other Current Liabilities	45,173	43,617
Total Current Liabilities	120,233	132,829
Long-Term Liabilities:
Long-Term Debt	45,013	32,735
Employee-Related Benefits	20,227	21,134
Deferred Income Taxes	166	171
Other Liabilities	4,956	4,625
Total Long-Term Liabilities	70,362	58,665
Total Liabilities	190,595	191,494
Commitments and Contingencies (Note 14)
Shareholders' Equity:
Preferred Stock, $0.02 par value; 1,000,000 shares authorized; no shares issued or outstanding	0	0
Common Stock, $0.375 par value; 60,000,000 shares authorized; 17,754,553 and 17,688,350 shares issued and outstanding, respectively	6,658	6,633
Additional Paid-In Capital	6,970	3,653
Retained Earnings	310,501	318,180
Accumulated Other Comprehensive Loss	(47,577)	(49,923)
Total Shareholders' Equity	276,552	278,543
Total Liabilities and Shareholders' Equity	$ 467,147	$ 470,037