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Significant Accounting Policies and Disclosures - Schedule of Share-Based Compensation, Shares Outstanding Under Stock Option Plans, by Exercise Price Range (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
May 29, 2021 | May 30, 2020 | Jun. 01, 2019 | Jun. 02, 2018
Stock Options |  |  |  |  |
Options, Outstanding, Number |  | 1,455 | 1,427 | 1,364 | 1,195
Options, Outstanding, Weighted Average Exercise Price |  | $ 8.08 | $ 8.83 | $ 9.08 | $ 8.89
Options, Outstanding, Weighted Average Remaining Contractual Term |  | 5 years 6 months |  |  |
Options, Outstanding, Intrinsic Value | [1] | $ 2,114 |  |  |
Options, Vested, Number of Shares |  | 950 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price |  | $ 9.11 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term |  | 4 years 2 months 12 days |  |  |
Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value | [1] | $ 833 |  |  |
$4.26 to $6.47 |  |  |  |  |
Options, Outstanding, Number |  | 566 |  |  |
Options, Outstanding, Weighted Average Exercise Price |  | $ 5.26 |  |  |
Options, Outstanding, Weighted Average Remaining Contractual Term |  | 7 years 7 months 6 days |  |  |
Options, Outstanding, Intrinsic Value |  | $ 1,866 |  |  |
Options, Vested, Number of Shares |  | 220 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price |  | $ 5.65 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term |  | 6 years 4 months 24 days |  |  |
Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value |  | $ 638 |  |  |
$6.90 to $10.01 |  |  |  |  |
Options, Outstanding, Number |  | 548 |  |  |
Options, Outstanding, Weighted Average Exercise Price |  | $ 8.67 |  |  |
Options, Outstanding, Weighted Average Remaining Contractual Term |  | 5 years 8 months 12 days |  |  |
Options, Outstanding, Intrinsic Value |  | $ 248 |  |  |
Options, Vested, Number of Shares |  | 390 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price |  | $ 8.69 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term |  | 5 years 2 months 12 days |  |  |
Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value |  | $ 195 |  |  |
$11.14 to $13.76 |  |  |  |  |
Options, Outstanding, Number |  | 341 |  |  |
Options, Outstanding, Weighted Average Exercise Price |  | $ 11.82 |  |  |
Options, Outstanding, Weighted Average Remaining Contractual Term |  | 1 year 7 months 6 days |  |  |
Options, Vested, Number of Shares |  | 340 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price |  | $ 11.82 |  |  |
Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term |  | 1 year 7 months 6 days |  |  |
[1] | Includes only those options that were in-the-money as of May 29, 2021. Stock options for which the exercise price exceeded the market price have been omitted. Fluctuations in the intrinsic value of both outstanding and exercisable options may result from changes in underlying stock price and timing and volume of option grants, exercises and forfeitures.

X
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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