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Summary of Significant Accounting Policies (Narrative) (Details) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Mar. 26, 2016 USD ($) customer shares | Mar. 28, 2015 USD ($) shares | Mar. 29, 2014 USD ($) shares
Inventory write-down | $ 4,800 | $ 7,200 |
Depreciation and amortization expense on property, plant and equipment | 22,300 | 15,400 | $ 12,100
Impairment of goodwill | 0 | 0 | 0
Advertising expense | $ 1,600 | $ 1,100 | $ 1,400
Weighted outstanding options excluded from diluted calculation | shares | 468 | 718 | 833
Maximum [Member] |  |  |
Intangible assets, useful life | 10 years |  |
Acquired intangible assets, useful life | 15 years |  |
Share-based compensation, vesting period | 4 years |  |
Minimum [Member] |  |  |
Intangible assets, useful life | 1 year |  |
Acquired intangible assets, useful life | 1 year |  |
Share-based compensation, vesting period | 0 years |  |
Buildings [Member] | Maximum [Member] |  |  |
Estimated useful life | 39 years |  |
Capitalized Software [Member] |  |  |
Estimated useful life | 3 years |  |
Furniture, Fixtures, Machinery and Equipment [Member] | Maximum [Member] |  |  |
Estimated useful life | 10 years |  |
Furniture, Fixtures, Machinery and Equipment [Member] | Minimum [Member] |  |  |
Estimated useful life | 3 years |  |
Capitalized Enterprise Resource Planning Software [Member] |  |  |
Estimated useful life | 10 years |  |
Property, Plant and Equipment [Member] | Maximum [Member] |  |  |
Estimated useful life | 39 years |  |
Property, Plant and Equipment [Member] | Minimum [Member] |  |  |
Estimated useful life | 3 years |  |
Hongfujin Precision [Member] | Accounts Receivable [Member] |  |  |
Concentration risk, percentage | 23.00% | 26.00% |
Protek [Member] | Accounts Receivable [Member] |  |  |
Concentration risk, percentage | 11.00% | 15.00% |
Apple, Inc. [Member] | Sales Revenue, Net [Member] |  |  |
Concentration risk, percentage | 66.00% | 72.00% | 80.00%
Samsung Electronics [Member] | Sales Revenue, Net [Member] |  |  |
Concentration risk, percentage | 15.00% |  |
Samsung Electronics [Member] | Accounts Receivable [Member] |  |  |
Concentration risk, percentage | 23.00% | 22.00% |
Ten Largest Customers [Member] |  |  |
Number of customers responsible for sales concentration | customer | 10 |  |
Ten Largest Customers [Member] | Sales Revenue, Net [Member] |  |  |
Concentration risk, percentage | 89.00% | 87.00% | 88.00%

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