Goodwill and Acquisition-Related Intangibles (Tables)

6 Months Ended

Oct. 01, 2011

Goodwill and Acquisition-Related Intangibles [Abstract]

Gross and net amounts of goodwill and of acquisition-related intangibles

	October 1,			April 2,			Weighted Average
(In thousands)	2011			2011			Amortization Life
Goodwill	$	149,693		$	133,580
In-process research and development	$	4,000		$	6,000
Core technology, gross		76,440			58,439		5.7 years
Less accumulated amortization		(42,751	)		(39,789	)
Core technology, net		33,689			18,650
Other intangibles, gross		46,206			45,201		2.7 years
Less accumulated amortization		(43,599	)		(42,955	)
Other intangibles, net		2,607			2,246
Total acquisition-related intangibles, gross		126,646			109,640
Less accumulated amortization		(86,350	)		(82,744	)
Total acquisition-related intangibles, net	$	40,296		$	26,896

Schedule of expected annual amortization expense for acquisition-related intangibles

Fiscal Year	(In thousands)
2012 (remaining six months)	$	3,964
2013		8,536
2014		7,918
2015		7,289
2016		6,742
Thereafter		5,847
Total	$	40,296