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Stock-Based Compensation Plans (Summary Of Share-Based Award Activity) (Details) $ / shares in Units, $ in Thousands | 12 Months Ended
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May 25, 2019 USD ($) $ / shares shares | May 26, 2018 USD ($) $ / shares shares
Stock-Based Compensation Plans [Abstract] |  |  |
Options outstanding, Beginning balance, Share-Based Awards Available for Grant |  | 2,252,000 |
Granted, at fair market value, Share-Based Awards Available for Grant |  | (1,290,000) |
Restricted stock, Share-Based Awards Available for Grant | [1] | (54,000) |
Forfeited, Share-Based Awards Available for Grant | [2] | 241,000 |
Expired, Share-Based Awards Available for Grant |  | 446,000 |
Options outstanding, Ending balance, Share-Based Awards Available for Grant |  | 1,595,000 | 2,252,000
Beginning balance, Number of Shares Under Option |  | 6,869,000 |
Granted, at fair market value, Number of Shares Under Option |  | 1,290,000 |
Exercised, Number of Shares Under Option |  | (1,444,000) |
Forfeited, Number of Shares Under Option | [2] | (240,000) |
Expired, Number of Shares Under Option |  | (446,000) |
Ending balance, Number of Shares Under Option |  | 6,029,000 | 6,869,000
Exercisable, Number of Shares Under Option |  | 3,547,000 |
Vested and expected to vest, Number of Shares Under Option | [3] | 5,789,000 |
Beginning balance, Weighted Average Exercise Price (per share) | $ / shares |  | $ 15.10 |
Granted, at fair market value, Weighted Average Exercise Price (per share) | $ / shares |  | 18.96 |
Exercised, Weighted Average Exercise Price (per share) | $ / shares |  | 13.72 |
Forfeited, Weighted Average Exercise Price (per share) | $ / shares | [2] | 15.91 |
Expired, Weighted Average Exercise Price (per share) | $ / shares |  | 18.85 |
Ending balance, Weighted Average Exercise Price (per share) | $ / shares |  | 15.95 | $ 15.10
Exercisable, Weighted Average Exercise Price (per share) | $ / shares |  | 15.09 |
Vested and expected to vest, Weighted Average Exercise Price (per share) | $ / shares | [3] | $ 15.86 |
Weighted Average Remaining Contractual Life (in years) |  | 6 years 22 days | 5 years 6 months
Exercisable, Weighted Average Remaining Contractual Life (in years) |  | 4 years 3 months 18 days |
Vested and expected to vest, Weighted Average Remaining Contractual Life (in years) | [3] | 5 years 11 months 5 days |
Ending balance, Aggregate Intrinsic Value | $ |  | $ 5,482 | $ 12,310
Exercisable, Aggregate Intrinsic Value | $ |  | 5,051 |
Vested and expected to vest, Aggregate Intrinsic Value | $ | [3] | $ 5,472 |
Number Of Share Based Awards Required For Each Share Granted |  | 2.5 |
Forfeiture assumption, shares |  | 2,481,959 | 2,366,237
[1] | Amounts represent restricted shares granted. Share-based awards available for grant are reduced by 2.5 shares for each share awarded as stock grants from the 2014 Plan.
[2] | Amounts represent both stock options and restricted share awards forfeited.
[3] | The expected to vest options are the result of applying the pre-vesting forfeiture rate assumptions to options not yet vested of 2,481,959 and 2,366,237 as of May 25, 2019 and May 26, 2018, respectively.

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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=109197908&loc=d3e5070-113901 + Details
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