Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 107,983	$ 66,946
Restricted cash	512	31
Short-term investments	0	10,003
Accounts receivable, net	85,866	74,259
Inventories:
Finished goods	38,553	32,072
Work in process	4,367	2,981
Raw materials	31,277	25,053
Total inventories	74,197	60,106
Supplies, prepaid items and other:
Prepaid income taxes	3,467	0
Prepaid insurance	745	4,449
Precious metals	17,595	12,048
Supplies	7,866	6,802
Fair value of derivatives and other	7	1,454
Other	1,915	1,174
Total supplies, prepaid items and other	31,595	25,927
Deferred income taxes	6,064	5,396
Total current assets	306,217	242,668
Property, plant and equipment, net	154,621	135,755
Other assets:
Debt issuance costs, net	1,151	1,023
Investment in affiliate	3,168	4,016
Goodwill	1,724	1,724
Other, net	3,479	2,795
Total other assets	9,522	9,558
Total assets	470,360	387,981
Current liabilities:
Accounts payable	57,512	51,025
Short-term financing	386	3,821
Accrued and other liabilities	32,977	31,507
Current portion of long-term debt	6,059	2,328
Total current liabilities	96,934	88,681
Long-term debt	77,245	93,064
Noncurrent accrued and other liabilities	14,882	12,605
Deferred income taxes	17,145	14,261
Commitments and contingencies (Note 10)
Stockholders' equity:
Common stock, $.10 par value; 75,000,000 shares authorized,26,584,650 shares issued (25,476,534 at December 31, 2010)	2,658	2,548
Capital in excess of par value	160,970	131,845
Retained earnings	125,900	70,351
Stockholders equity including treasury stock	292,528	207,744
Less treasury stock at cost:
Common stock, 4,320,462 shares	28,374	28,374
Total stockholders' equity	264,154	179,370
Total Liabilities and Stockholders' Equity	470,360	387,981
Series B Preferred stock
Stockholders' equity:
Convertible preferred stock	2,000	2,000
Series D Preferred stock
Stockholders' equity:
Convertible preferred stock	$ 1,000	$ 1,000