Goodwill and Identified Intangibles (Tables)

3 Months Ended

Mar. 30, 2012

Goodwill and Identified Intangibles [Abstract]

Summary of goodwill and identifiable intangible assets

The following is a summary of identified intangible assets as of March 30, 2012 and December 31, 2011:

	March 30, 2012							December 31, 2011
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
						(In thousands)
Identifiable intangibles:
Existing and core technology	$	136,145	$	(87,310	)	$	48,835	$	136,145	$	(81,951	)	$	54,194
Customer relationships/contracts		67,098		(43,649	)		23,449		67,098		(42,142	)		24,956
Trademarks and tradenames		11,361		(8,060	)		3,301		11,361		(7,700	)		3,661
Supply agreements		3,414		(3,414	)		—		3,414		(3,414	)		—
Maintenance agreements and related relationships		7,100		(2,574	)		4,526		7,100		(2,260	)		4,840
Software license, intellectual property and assembled workforce		309		(309	)		—		309		(309	)		—
Order backlog		2,800		(2,800	)		—		2,800		(2,800	)		—
Total of identifiable intangibles	$	228,227	$	(148,116	)	$	80,111	$	228,227	$	(140,576	)	$	87,651

Changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill for the three months ended March 30, 2012 are as follows:

	(In thousands)
Balance at beginning of period	$	212,417
Foreign currency translation adjustment		68
Balance at end of period	$	212,485

Amortization expense for identifiable purchased intangible assets

Amortization expense for the identifiable purchased intangible assets for the three months ended March 30, 2012 and April 1, 2011 was allocated as follows:

	Three months ended
	March 30, 2012		April 1, 2011
	(In thousands)
Included in cost of revenue	$	5,360	$	5,142
Included in operating expenses		2,179		2,229
Total amortization expense	$	7,539	$	7,371

Estimated future amortization expense of purchased intangible assets

The estimated future amortization expense of purchased intangible assets with definite lives is as follows:

	Cost of Revenue		Operating Expenses		Total
	(In thousands)
Years ending December 31,
2012 (remaining 9 months)	$	15,144	$	6,525	$	21,669
2013		19,232		8,096		27,328
2014		13,745		6,775		20,520
2015		714		5,783		6,497
2016		—		4,097		4,097
Total	$	48,835	$	31,276	$	80,111