Goodwill and Acquisition-Related Intangibles (Tables)

6 Months Ended

Oct. 01, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

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

As of October 1, 2016 and April 2, 2016, the gross and net amounts of goodwill and of acquisition-related intangibles for all acquisitions were as follows:

							Weighted-Average
(In thousands)	October 1, 2016			April 2, 2016			Amortization Life
Goodwill	$	161,287		$	159,296
Core technology, gross	79,980			77,640			5.6 years
Less accumulated amortization	(74,004		)	(71,472		)
Core technology, net	5,976			6,168
Other intangibles, gross	46,766			46,606			2.7 years
Less accumulated amortization	(46,619		)	(46,572		)
Other intangibles, net	147			34
Total acquisition-related intangibles, gross	126,746			124,246
Less accumulated amortization	(120,623		)	(118,044		)
Total acquisition-related intangibles, net	$	6,123		$	6,202

Schedule of expected annual amortization expense for acquisition-related intangibles

Based on the carrying value of acquisition-related intangibles recorded as of October 1, 2016, 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)
2017 (remaining six months)	$	2,548
2018	1,922
2019	561
2020	468
2021	468
Thereafter	156
Total	$	6,123