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Stock-based Compensation and Stockholders’ Equity - Stock-based Compensation Activity (Details) - Restricted Stock - $ / shares	12 Months Ended
	May 30, 2021	May 31, 2020	May 26, 2019
Restricted Stock Units Outstanding
Beginning balance (in shares)	469,548	428,427	408,037
Granted (in shares)	188,225	296,527	333,486
Vested (in shares)	(146,197)	(124,045)	(237,946)
Forfeited (in shares)	(31,180)	(131,361)	(75,150)
Ending balance (in shares)	480,396	469,548	428,427
Weighted-Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share)	$ 11.24	$ 12.80	$ 12.99
Granted (in dollars per share)	10.13	9.79	13.15
Exercised (in dollars per share)	11.69	11.82	13.27
Forfeited (in dollars per share)	10.60	12.49	13.92
Ending balance (in dollars per share)	$ 10.71	$ 11.24	$ 12.80

X

- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Number of non-option equity instruments exercised by participants.

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Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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Net number of non-option equity instruments granted to participants.

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