CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 29,977	$ 18,161
Receivables (net of allowance of $1,739 and $1,362)	105,169	101,918
Revenue recognized in excess of billings on uncompleted contracts	10,056	14,680
Inventories	107,842	107,166
Deferred income taxes - current	19,452	17,317
Other current assets	11,308	13,964
Total current assets	283,804	273,206
Property, plant and equipment, net	264,792	262,993
Intangibles, net	6,179	7,388
Goodwill	26,537	27,030
Deferred income taxes - long-term	3,966	3,558
Other assets	2,788	3,594
Total assets	588,066	577,769
Current liabilities:
Accounts payable and accrued liabilities	58,174	76,214
Restructuring reserve (Note 1)	551	3,226
Billings in excess of revenue recognized on uncompleted contracts	5,563	3,865
Payroll and benefits payable	12,362	10,114
Accrued income taxes	2,287	2,666
Short-term debt	270	19,565
Total current liabilities	79,207	115,650
Long-term debt	48,340	44,408
Deferred income taxes - long-term	18,973	12,379
Accrued pension and other liabilities	48,922	54,035
Total liabilities	195,442	226,472
Commitments and contingencies (Note 8)
Shareholders' equity:
Common shares, $.01 par value, 100,000,000 shares authorized, 56,837,072 and 56,450,632 shares issued	568	564
Additional paid-in capital	174,637	168,599
Retained earnings	305,180	270,511
Accumulated other comprehensive loss	(15,567)	(16,527)
Total of shareholders' equity before adjusting treasury stock	464,818	423,147
Treasury stock, at cost, 6,435,860 and 6,415,176 shares	(72,194)	(71,850)
Total shareholders' equity	392,624	351,297
Total liabilities and shareholders' equity	$ 588,066	$ 577,769