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Nature of Business and Summary of Significant Accounting Policies Recent Accounting Pronouncements (Details) $ in Thousands	12 Months Ended
	Apr. 27, 2019 USD ($)
Accounting Changes and Error Corrections [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 7,134

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- References

No definition available.

+ Details

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- Definition

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

+ Details

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