Goodwill and Other Purchased Intangible Assets (Tables)

6 Months Ended

Jun. 28, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in Carrying Value of Goodwill by Reportable Segment

Changes in the carrying value of goodwill by reportable segment during the year ended December 28, 2013 and the six-month period ended June 28, 2014 were as follows (in thousands):

	Semiconductor Equipment			Microwave Communications			Total Goodwill
Balance, December 29, 2012	$	55,520		$	3,236		$	58,756
Additions net of adjustments		10,930			—			10,930
Impact of currency exchange		1,533			94			1,627
Balance, December 28, 2013		67,983			3,330			71,313
Impact of currency exchange		(221	)		(17	)		(238	)
Balance, June 28, 2014	$	67,762		$	3,313		$	71,075

Purchased Intangible Assets, Subject to Amortization

Purchased intangible assets, subject to amortization are as follows (in thousands):

	June 28, 2014						December 28, 2013
	Gross Carrying Amount		Accumulated Amortization		Remaining Useful Life		Gross Carrying Amount		Accumulated Amortization
Rasco technology	$	33,453	$	23,291		2.5 years	$	33,689	$	21,319
Ismeca technology		29,945		5,719		6.5 years		29,915		3,809
Duma technology		864		552		1.1 years		864		408
	$	64,262	$	29,562			$	64,468	$	25,536