Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 90,736	$ 43,974
Trade receivables, net	37,995	90,920
Other receivables	7,381	7,278
Inventories, net	143,887	109,920
Prepaid expenses and other current assets	9,021	7,187
Total current assets	289,020	259,279
Property, plant and equipment, net	209,213	186,487
Goodwill	32,687	32,063
Intangible assets, net	7,564	6,691
Deferred income taxes	12,494	19,259
Other non-current assets	4,082	1,760
Total assets	555,060	505,539
Current liabilities:
Accounts payable	36,776	39,257
Deferred revenue and advance payments	5,230	16,298
Accrued expenses and other current liabilities	36,915	44,247
Short-term debt		30,000
Total current liabilities	78,921	129,802
Advance payments	39,000
Deferred income taxes	6,876	7,735
Accrued pension benefits	41,122	42,661
Other non-current liabilities	22,197	14,506
Total liabilities	188,116	194,704
Stockholders' equity:
Common stock, $.10 par value; authorized 100,000,000, issued 33,744,824 and 33,528,915 shares at respective dates	3,374	3,353
Additional paid-in capital	141,068	131,980
Retained earnings	289,992	245,698
Treasury stock, at cost, 1,594,549 and 1,729,727 shares at respective dates	(13,594)	(14,747)
Accumulated other comprehensive loss	(53,896)	(55,449)
Total stockholders' equity	366,944	310,835
Total liabilities and stockholders' equity	$ 555,060	$ 505,539