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Stock-Based Compensation Plans (Summary Of Share-Based Award Activity) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Nov. 24, 2018	May 26, 2018
Stock-Based Compensation Plans [Abstract]
Options outstanding, Beginning balance, Number of Shares Under Option	6,869
Granted, at fair market value, Number of Shares Under Option	1,290
Exercised, Number of Shares Under Option	(752)
Forfeited, Number of Shares Under Option	(128)
Expired, Number of Shares Under Option	(268)
Options outstanding, Ending balance, Number of Shares Under Option	7,011	6,869
Exercisable, Number of Shares Under Option	4,405
Vested and expected to vest, Number of Shares Under Option	6,614
Options outstanding, Beginning balance, Weighted Average Exercise Price (per share)	$ 15.10
Granted, at fair market value, Weighted Average Exercise Price (per share)	18.96
Exercised, Weighted Average Exercise Price (per share)	13.85
Forfeited, Weighted Average Exercise Price (per share)	15.32
Expired, Weighted Average Exercise Price (per share)	19.41
Options outstanding, Ending balance, Weighted Average Exercise Price (per share)	15.78	$ 15.10
Exercisable, Weighted Average Exercise Price (per share)	14.97
Vested and expected to vest, Weighted Average Exercise Price (per share)	$ 15.64
Options outstanding, Weighted Average Remaining Contractual Life (in years)	6 years 1 month 2 days	5 years 6 months
Exercisable, Weighted Average Remaining Contractual Life (in years)	4 years 4 months 6 days
Vested and expected to vest, Weighted Average Remaining Contractual Life (in years)	5 years 10 months 17 days
Options outstanding, Ending balance, Aggregate Intrinsic Value	$ 8,934	$ 12,310
Exercisable, Aggregate Intrinsic Value	7,988
Vested and expected to vest, Aggregate Intrinsic Value	$ 8,875

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. 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.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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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.

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