Income Taxes - Summary of Changes in Gross Amounts of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Apr. 27, 2019	Apr. 28, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	$ 14,227	$ 14,211
Additions for tax positions related to the current year	972	1,713
Additions for tax positions of prior years	50	232
Reductions for tax positions of prior years	(228)	(475)
Statute expirations	(1,984)	(1,284)
Settlements	(2)	(170)
Balance at end of period	$ 13,035	$ 14,227

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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