Strategic Technology Transactions, Goodwill and Other Purchased Intangible Assets (Tables)

3 Months Ended

Mar. 29, 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 three-month period ended March 29, 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		62		—		62
Balance, March 29, 2014	$	68,045	$	3,330	$	71,375

Purchased Intangible Assets, Subject to Amortization

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

	March 29, 2014				December 28, 2013
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Rasco technology	$	33,693	$	22,405	$	33,689	$	21,319
Ismeca technology		30,070		4,786		29,915		3,809
Duma technology		864		480		864		408
	$	64,627	$	27,671	$	64,468	$	25,536