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Goodwill and Intangible Assets, Net (Tables)
 12 Months Ended
Apr. 03, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying amounts of goodwill by segment
Goodwill activity for fiscal 2016 and 2015 is summarized as follows:
 
Reportable Segments
 
(in thousands)
Communications
 
Computing, Consumer and Industrial
 
Total
Balance as of March 30, 2014
$
122,248

 
$
13,396

 
$
135,644

Balance as of March 29, 2015
$
122,248

 
$
13,396

 
$
135,644

Additions - ZMDI acquisition (see Note 3)
600

 
169,489

 
170,089

Balance as of April 3, 2016
$
122,848

 
$
182,885

 
$
305,733
Summary of intangible assets balances
Intangible asset balances as of April 3, 2016 and March 29, 2015 are summarized as follows:
 
April 3, 2016
(in thousands)
Gross Assets
 
Accumulated
Amortization
 
Net Assets
Purchased intangible assets:
 
 
 
 
 
Developed technology
$
279,514

 
$
(205,307
)
 
$
74,207

Trademark
5,211

 
(4,576
)
 
635

Customer relationships
172,787

 
(130,745
)
 
42,042

Order backlog
5,800

 
(4,504
)
 
1,296

Intellectual property licenses

11,400

 
(1,819
)
 
9,581

Total purchased intangible assets
$
474,712

 
$
(346,951
)
 
$
127,761


 
March 29, 2015
(in thousands)
Gross Assets
 
Accumulated
Amortization
 
Net Assets
Purchased intangible assets:
 
 
 
 
 
Developed technology
$
211,170

 
$
(206,491
)
 
$
4,679

Trademark
4,411

 
(3,850
)
 
561

Customer relationships
131,045

 
(130,750
)
 
295

Total purchased intangible assets
$
346,626

 
$
(341,091
)
 
$
5,535
Summary of amortization expense for purchased intangible assets
Amortization expense for identified intangibles is summarized below:
 
Fiscal Year Ended
(in thousands)
April 3, 2016
 
March 29, 2015
 
March 30, 2014
Existing technology
$
6,052

 
$
4,534

 
$
19,730

Trademarks
726

 
916

 
3,405

Customer relationships
2,253

 
1,123

 
916

Backlog
4,504

 
—

 
91

Intellectual property licenses

1,819

 
—

 
—

Non-compete agreements
—

 
—

 
651

Total
$
15,354

 
$
6,573

 
$
24,793
Estimated remaining future amortization expense
Based on the intangible assets recorded at April 3, 2016, assuming no subsequent additions to or impairment of the underlying assets, the remaining estimated amortization expense is expected to be as follows (in thousands):
Fiscal Year
Amount
2017
$
23,061

2018
19,325

2019
18,871

2020
18,569

2021 and thereafter
47,935

Total
$
127,761