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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) | 12 Months Ended
--- | ---
Mar. 30, 2013 | Mar. 31, 2012 | Mar. 26, 2011
Depreciation and amortization expense on property, plant and equipment | $ 13,562,000 | $ 9,972,000 | $ 8,145,000
Impairment of goodwill | 0 | 0 | 0
Advertising expense | 1,500,000 | 1,800,000 | 1,300,000
Weighted outstanding options excluded from diluted calculation | 453,000 | 1,052,000 | 615,000
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 | 4 years |  |
Share-based compensation, vesting period | 0 years |  |
Buildings [Member] | Maximum [Member] |  |  |
Estimated useful life | 39 years |  |
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] |  |  |
Depreciation and amortization expense on property, plant and equipment | $ 10,200,000 | $ 6,300,000 | $ 4,800,000
Property, Plant And Equipment [Member] | Maximum [Member] |  |  |
Estimated useful life | 39 years |  |
Property, Plant And Equipment [Member] | Minimum [Member] |  |  |
Estimated useful life | 3 years |  |
Futaihua Industrial [Member] | Accounts Receivable [Member] |  |  |
Concentration risk, percentage | 21.00% | 28.00% |
Hongfujin Precision [Member] | Accounts Receivable [Member] |  |  |
Concentration risk, percentage | 36.00% | 14.00% |
Protek [Member] | Accounts Receivable [Member] |  |  |
Concentration risk, percentage | 16.00% |  |
Avnet, Inc. [Member] | Sales [Member] |  |  |
Concentration risk, percentage |  | 15.00% | 24.00%
Apple, Inc. [Member] | Sales [Member] |  |  |
Concentration risk, percentage | 82.00% | 62.00% | 47.00%
No Other Distributor [Member] | Maximum [Member] | Accounts Receivable [Member] |  |  |
Concentration risk, percentage | 10.00% | 10.00% |
Ten Largest Customers [Member] |  |  |
Number of customers responsible for sales concentration |  | 10 |
Ten Largest Customers [Member] | Sales [Member] |  |  |
Concentration risk, percentage | 89.00% | 74.00% | 62.00%
No Other Customer Or Distributor [Member] | Maximum [Member] | Sales [Member] |  |  |
Concentration risk, percentage | 10.00% | 10.00% | 10.00%

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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