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Commitments and Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 29, 2014 | Mar. 30, 2013 | Mar. 31, 2012 | Mar. 29, 2014 Tucson, Arizona Facility [Member] sqft | Mar. 29, 2014 Capacity Investment and Loading Agreement with STATS ChipPAC Ltd [Member] | Mar. 30, 2013 Capacity Investment and Loading Agreement with STATS ChipPAC Ltd [Member] | Dec. 22, 2011 Capacity Investment and Loading Agreement with STATS ChipPAC Ltd [Member] | Mar. 29, 2014 Foundry Commitments [Member] | Mar. 29, 2014 Assembly Purchase Order Commitments [Member] | Mar. 29, 2014 Outside Test Services Commitments [Member]
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |  |  |  |  |  |  |  |  |
Square footage of Tucson facilities |  |  |  | 28,000 |  |  |  |  |  |
Rent expense | $ 2.8 | $ 3.2 | $ 4.7 |  |  |  |  |  |  |
Sublease rental income | 0.1 | 0.1 | 0.4 |  |  |  |  |  |  |
Non-cancelable purchase commitments |  |  |  |  |  |  | 10.0 | 36.7 | 2.1 | 5.3
Purchase commitment, rebate amount |  |  |  |  | 10.0 |  |  |  |  |
Purchase commitment, expected rebate to receive |  |  |  |  | 10.0 |  |  |  |  |
Purchase obligation, rebate utilized |  |  |  |  | $ 2.6 | $ 4.3 |  |  |  |

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- Definition The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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