Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
May 26, 2019	May 27, 2018	May 28, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits – beginning of the period	$ 479	$ 537	$ 842
Gross increases – tax positions in prior period	29	21	11
Gross decreases – tax positions in prior period	0	0	(90)
Gross increases – current-period tax positions	133	116	93
Settlements	0	(95)	0
Lapse of statute of limitations	(25)	(100)	(319)
Unrecognized tax benefits – end of the period	$ 616	$ 479	$ 537

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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