Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Amortized Intangible Assets

	As of June 30, 2012
	Gross Amount		Accumulated Amortization			Net Amount
Current technology	$	12,718	$	(11,611	)	$	1,107
Patent and patent rights		23,392		(13,385	)		10,007
Customer relationships		1,773		(1,760	)		13
Other intangibles, net	$	37,883	$	(26,756	)	$	11,127
Amortization expense for the six months ended June 30, 2012			$	1,540

	As of December 31, 2011
	Gross Amount		Accumulated Amortization			Net Amount
Current technology	$	12,718	$	(11,403	)	$	1,315
Patent and patent rights		23,392		(12,079	)		11,313
Customer relationships		1,773		(1,734	)		39
Other intangibles, net	$	37,883	$	(25,216	)	$	12,667
Amortization expense for the six months ended July 2, 2011			$	1,671