Acquisitions	12 Months Ended
Dec. 31, 2012
Business Combinations [Abstract]
Acquisitions	Acquisitions In the first quarter 2012, the Company acquired all of the outstanding stock of Aerospace Metal Composites Limited (AMC) of Farnborough, England for $3.3 million, net of $1.5 million of cash acquired. AMC manufactures ultrafine particulate reinforced metal matrix composites, primarily aluminum materials, that are used in performance automotive, aerospace, defense and precision high speed machinery applications. A portion of the purchase price was held in escrow pending resolution of various matters as detailed in the purchase agreement. Goodwill was valued at $1.9 million. The pro forma impact of AMC's operating results on the Company's sales, income before income taxes and net income for 2011 and 2012 was immaterial. In the fourth quarter of 2011, the Company acquired the outstanding stock of EIS Optics Limited (EIS) for $24.5 million in cash. EIS manufactures optical thin film filters, glass processing, lithography and optical subassemblies that allow for the precision management of light in a broad range of end-use applications throughout the projection display, entertainment lighting, sensors, medical instruments and gaming industries. EIS manufactures its products at a 101,000 square foot facility in Shanghai, China. The $24.5 million purchase price includes $0.6 million paid by the Company in the first quarter of 2012 as a result of the resolution of working capital valuation adjustments in accordance with the purchase agreement. Goodwill assigned to the transaction totaled $13.9 million. In the first quarter of 2010, the Company acquired the outstanding stock of Academy Corporation of Albuquerque, New Mexico for $21.0 million in cash. Academy provides precious and non-precious metals and refining services for a variety of applications, including architectural glass, solar energy, medical and electronics. Major product forms include sputtering targets, sheet, fine wire, rod and powder. The $21.0 million purchase price was net of $1.7 million the Company received back from the seller in the second quarter 2010 as a result of the resolution of working capital valuation adjustments in accordance with the purchase agreement. Goodwill assigned to the transaction totaled $5.4 million. Each of these acquisitions was financed with a combination of cash on hand and borrowings under the existing revolving credit agreement. The results of the above acquired businesses were included in the Company’s financial statements since their respective acquisition dates. The AMC acquisition is included in the Beryllium and Composites segment while the EIS and Academy acquisitions are included in the Advanced Material Technologies segment. See Note E to the Consolidated Financial Statements for additional information on the intangible assets associated with these acquisitions.

Acquisitions

12 Months Ended

Dec. 31, 2012

In the first quarter 2012, the Company acquired all of the outstanding stock of Aerospace Metal Composites Limited (AMC) of Farnborough, England for $3.3 million, net of $1.5 million of cash acquired. AMC manufactures ultrafine particulate reinforced metal matrix composites, primarily aluminum materials, that are used in performance automotive, aerospace, defense and precision high speed machinery applications. A portion of the purchase price was held in escrow pending resolution of various matters as detailed in the purchase agreement. Goodwill was valued at $1.9 million.

The pro forma impact of AMC's operating results on the Company's sales, income before income taxes and net income for 2011 and 2012 was immaterial.

In the fourth quarter of 2011, the Company acquired the outstanding stock of EIS Optics Limited (EIS) for $24.5 million in cash. EIS manufactures optical thin film filters, glass processing, lithography and optical subassemblies that allow for the precision management of light in a broad range of end-use applications throughout the projection display, entertainment lighting, sensors, medical instruments and gaming industries. EIS manufactures its products at a 101,000 square foot facility in Shanghai, China. The $24.5 million purchase price includes $0.6 million paid by the Company in the first quarter of 2012 as a result of the resolution of working capital valuation adjustments in accordance with the purchase agreement. Goodwill assigned to the transaction totaled $13.9 million.

In the first quarter of 2010, the Company acquired the outstanding stock of Academy Corporation of Albuquerque, New Mexico for $21.0 million in cash. Academy provides precious and non-precious metals and refining services for a variety of applications, including architectural glass, solar energy, medical and electronics. Major product forms include sputtering targets, sheet, fine wire, rod and powder. The $21.0 million purchase price was net of $1.7 million the Company received back from the seller in the second quarter 2010 as a result of the resolution of working capital valuation adjustments in accordance with the purchase agreement. Goodwill assigned to the transaction totaled $5.4 million.

Each of these acquisitions was financed with a combination of cash on hand and borrowings under the existing revolving credit agreement.

The results of the above acquired businesses were included in the Company’s financial statements since their respective acquisition dates. The AMC acquisition is included in the Beryllium and Composites segment while the EIS and Academy acquisitions are included in the Advanced Material Technologies segment. See Note E to the Consolidated Financial Statements for additional information on the intangible assets associated with these acquisitions.