Segment Reporting (Tables)

6 Months Ended

Jun. 28, 2013

Segment Reporting [Abstract]

Segment Reporting

(Thousands)	Advanced Material Technologies		Performance Alloys		Beryllium and Composites			Technical Materials		Subtotal		All Other			Total
Second Quarter 2013
Sales to external customers	$	196,011	$	74,335	$	16,187		$	19,608	$	306,141	$	—		$	306,141
Intersegment sales	777		611		63			214		1,665		—			1,665
Operating profit (loss)	4,543		6,898		822			2,389		14,652		(1,262		)	13,390
Second Quarter 2012
Sales to external customers	$	221,931	$	72,506	$	12,567		$	18,084	$	325,088	$	—		$	325,088
Intersegment sales	506		672		129			207		1,514		—			1,514
Operating profit (loss)	7,514		6,685		(2,017		)	1,967		14,149		(1,704		)	12,445
First Half 2013
Sales to external customers	$	389,864	$	148,857	$	28,509		$	38,080	$	605,310	$	—		$	605,310
Intersegment sales	1,525		1,041		133			444		3,143		—			3,143
Operating profit (loss)	7,894		14,134		(474		)	3,825		25,379		(2,467		)	22,912
Assets	325,746		266,561		141,509			24,530		758,346		45,151			803,497
First Half 2012
Sales to external customers	$	463,737	$	147,734	$	28,684		$	38,484	$	678,639	$	79		$	678,718
Intersegment sales	1,171		1,369		329			471		3,340		—			3,340
Operating profit (loss)	12,799		12,945		(3,308		)	3,860		26,296		(3,967		)	22,329
Assets	353,824		248,086		130,309			23,824		756,043		44,071			800,114