GOODWILL AND INTANGIBLE ASSETS (Tables)

62 Months Ended

Dec. 31, 2012

Changes in Carrying Amount of Goodwill by Reporting Units

The changes in the carrying amount of goodwill by reporting units for the years ended December 31, 2012 and 2011 are as follows:

	Semiconductor Test			Systems Test Group			Wireless Test			Total
	(in thousands)
Balance at December 31, 2010:
Goodwill	$	260,540		$	148,183		$	—		$	408,723
Accumulated impairment losses		(260,540	)		(148,183	)		—			(408,723	)
		—			—			—			—
Activity during the year		—			—			352,778			352,778
Balance at December 31, 2011:
Goodwill		260,540			148,183			352,778			761,501
Accumulated impairment losses		(260,540	)		(148,183	)		—			(408,723	)
		—			—			352,778			352,778
Activity during the year		—			—			(3,506	)		(3,506	)
Balance at December 31, 2012:
Goodwill		260,540			148,183			349,272			757,995
Accumulated impairment losses		(260,540	)		(148,183	)		—			(408,723	)
	$	—		$	—		$	349,272		$	349,272

Schedule Of Amortizable Intangible Assets

Amortizable intangible assets consist of the following and are included in intangible assets, net on the balance sheets:

	December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Useful Life
	(in thousands)
Developed technology	$	357,555	$	143,126	$	214,429		6.3 years
Customer relationships and service and software maintenance contracts		144,971		63,464		81,507		8.0 years
Tradenames and trademarks		33,840		10,909		22,931		9.0 years
Customer backlog		1,000		1,000		—		0.4 years
Total intangible assets	$	537,366	$	218,499	$	318,867		7.0 years

	December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Useful Life
	(in thousands)
Developed technology	$	358,155	$	91,391	$	266,764		6.3 years
Customer relationships and service and software maintenance contracts		144,971		45,230		99,741		8.0 years
Tradenames and trademarks		33,840		7,370		26,470		9.0 years
Customer backlog		1,000		1,000		—		0.4 years
Total intangible assets	$	537,966	$	144,991	$	392,975		7.0 years

Schedule Of Estimated Intangible Asset Amortization Expense

Estimated intangible assets amortization expense for each of the five succeeding fiscal years is as follows:

Year	Amortization Expense
	(in thousands)
2013	$	72,132
2014		69,102
2015		52,351
2016		52,351
2017		46,193