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Note 11 - Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Apr. 27, 2013 | Apr. 28, 2012 | Apr. 30, 2011
Commitments and Contingencies Disclosure [Text Block] |  |  |
Operating Leases, Rent Expense | $ 8.9 | $ 9.3 | $ 10.0
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Residual Value of Leased Assets | 5.9 |  |
Purchase Obligation, Due in Next Twelve Months | 48.1 |  |
Purchase Obligation, Due in Second Year | $ 6.0 |  |

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- Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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Period Type: | duration

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- Definition The estimate of the value of the leased asset at the end of the lease term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 30 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7662307&loc=d3e42840-112730 + Details
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- Definition Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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