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Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 30, 2013 | Mar. 31, 2012 | Mar. 26, 2011 | Mar. 30, 2013 Tucson, Arizona Facility [Member] sqft | Mar. 30, 2013 Capacity Investment And Loading Agreement With STATS ChipPAC Ltd [Member] | Jan. 24, 2012 Capacity Investment And Loading Agreement With STATS ChipPAC Ltd [Member] | Dec. 22, 2011 Capacity Investment And Loading Agreement With STATS ChipPAC Ltd [Member] | Mar. 30, 2013 Foundry Commitments [Member] | Mar. 30, 2013 Assembly Purchase Order Commitments [Member] | Mar. 30, 2013 Outside Test Services Commitments [Member]
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |  |  |  |  |  |  |  |  |
Square footage of Tucson facilities |  |  |  | 28,000 |  |  |  |  |  |
Rent expense | $ 3.2 | $ 4.7 | $ 4.6 |  |  |  |  |  |  |
Sublease rental income | 0.1 | 0.4 | 1.1 |  |  |  |  |  |  |
Non-cancelable purchase commitments |  |  |  |  |  |  | 10.0 | 31.0 | 2.3 | 1.1
Purchase commitment, initial payment |  |  |  |  |  | 5 |  |  |  |
Purchase commitment, remaining amount |  |  |  |  | 5 |  |  |  |  |
Purchase commitment, rebate amount |  |  |  |  | 10 |  |  |  |  |
Purchase commitment, expected rebate to receive |  |  |  |  | 10 |  |  |  |  |
Purchase obligation, rebate utilized |  |  |  |  | $ 4.3 |  |  |  |  |

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- Definition Purchase Obligation, Initial Payment + References No definition available. + Details
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- Definition Purchase Obligation, Remaining Amount + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. + References No definition available. + Details
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- Details
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- Definition Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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