CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 32,942	$ 18,161
Receivables, net of allowance for losses of $1,328 and $1,362	96,996	101,918
Revenue recognized in excess of billings on uncompleted contracts	8,090	14,680
Inventories	109,517	107,166
Deferred income taxes - current	20,787	17,317
Other current assets	13,118	13,964
Total current assets	281,450	273,206
Property, plant and equipment, net	266,849	262,993
Intangibles, net	5,602	7,388
Goodwill	26,552	27,030
Deferred income taxes - long-term	3,791	3,558
Other assets	5,834	3,594
Total assets	590,078	577,769
Current liabilities:
Accounts payable and accrued liabilities	57,213	76,214
Restructuring reserve	535	3,226
Billings in excess of revenue recognized on uncompleted contracts	5,406	3,865
Payroll and benefits payable	14,144	10,114
Accrued income taxes	2,726	2,666
Short-term debt	2,172	19,565
Total current liabilities	82,196	115,650
Long-term debt	32,114	44,408
Deferred income taxes - long-term	30,902	12,379
Accrued pension and other liabilities	28,361	54,035
Total liabilities	173,573	226,472
Commitments and contingencies (Notes 9 and 17)
Shareholders' equity:
Common shares, $.01 par value, 100,000,000 shares authorized, 57,232,050 and 56,450,632 shares issued	572	564
Additional paid-in capital	170,320	168,599
Retained earnings	316,224	270,511
Accumulated other comprehensive loss	(1,140)	(16,527)
Total of shareholders' equity before adjusting treasury stock	485,976	423,147
Treasury stock, at cost, 6,242,326 and 6,415,176 shares	(69,471)	(71,850)
Total shareholders' equity	416,505	351,297
Total liabilities and shareholders' equity	$ 590,078	$ 577,769