Goodwill and Acquisition-Related Intangibles (Tables)

6 Months Ended

Sep. 28, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

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

As of September 28, 2013 and March 30, 2013, the gross and net amounts of goodwill and of acquisition-related intangibles for all acquisitions were as follows:

(In thousands)	September 28, 2013			March 30, 2013			Weighted Average Amortization Life
Goodwill	$	158,990		$	158,990
Core technology, gross	89,360			89,360			5.8 years
Less accumulated amortization	(58,578		)	(54,201		)
Core technology, net	30,782			35,159
Other intangibles, gross	46,516			46,516			2.7 years
Less accumulated amortization	(46,079		)	(45,621		)
Other intangibles, net	437			895
Total acquisition-related intangibles, gross	135,876			135,876
Less accumulated amortization	(104,657		)	(99,822		)
Total acquisition-related intangibles, net	$	31,219		$	36,054

Schedule of expected annual amortization expense for acquisition-related intangibles

Based on the carrying value of acquisition-related intangibles recorded as of September 28, 2013, and assuming no subsequent impairment of the underlying assets, the annual amortization expense for acquisition-related intangibles is expected to be as follows:

Fiscal	(In thousands)
2014 (remaining six months)	$	4,707
2015	8,845
2016	8,244
2017	6,473
2018	2,347
Thereafter	603
Total	$	31,219