Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 29, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Amortized Intangible Assets

Intangible assets are as follows (in thousands):

	As of June 29, 2013
	Gross Amount		Accumulated Amortization			Net Amount
Current technology	$	18,978	$	(13,226	)	$	5,752
Patent and patent rights		29,569		(16,302	)		13,267
Customer relationships		20,493		(4,087	)		16,406
Other intangibles, net	$	69,040	$	(33,615	)	$	35,425
Amortization expense for the six months ended June 29, 2013			$	3,726

	As of December 31, 2012
	Gross Amount		Accumulated Amortization			Net Amount
Current technology	$	18,978	$	(12,391	)	$	6,587
Patent and patent rights		29,569		(14,618	)		14,951
Customer relationships		20,493		(2,880	)		17,613
Other intangibles, net	$	69,040	$	(29,889	)	$	39,151
Amortization expense for the six months ended June 30, 2012			$	1,540