Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Feb. 27, 2021	Feb. 29, 2020	Feb. 27, 2021	Feb. 29, 2020
Income Taxes [Abstract]
Statutory federal income tax	$ 2,907		$ 543
Enacted net operating loss carryback provision	(6,422)		(6,422)
Domestic manufacturers deduction	1,408		1,408
Other, net	391		391
Income tax expense	$ (1,716)	$ 4,278	$ (4,080)	$ (15,356)

Income Tax Reconciliation, Domestic Manufacturers Deduction

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Income Tax Reconciliation, Enacted Net Operating Loss Carryback Provision

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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