Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Apr. 24, 2015	Apr. 25, 2014	Apr. 26, 2013
Goodwill [Line Items]
Goodwill	$ 19,634us-gaap_Goodwill	$ 19,634us-gaap_Goodwill
Impairment of trade name	2,761	0	0
Intangible Assets [Roll Forward]
Net intangible carrying amount	3,270	3,427
Amortization expense	(157)	(157)
Impairment of trade name	(2,761)	0	0
Net intangible carrying amount	352	3,270	3,427
Amortization expense per year	157
Business Trade Name
Goodwill [Line Items]
Impairment of trade name	2,761
Intangible Assets [Roll Forward]
Net intangible carrying amount	2,761
Amortization expense	0	0
Impairment of trade name	(2,761)
Net intangible carrying amount	0		2,761
Noncompetition Agreements
Goodwill [Line Items]
Impairment of trade name	0
Intangible Assets [Roll Forward]
Net intangible carrying amount	509
Amortization expense	(157)	(157)
Impairment of trade name	0
Net intangible carrying amount	$ 352		$ 666
BEF Foods \| Noncompetition Agreements
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

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-Paragraph 2

-Subparagraph (a)(3)

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 350

-SubTopic 30

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-Paragraph 3

-Subparagraph (b)

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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-Publisher FASB

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