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Stock-Based Compensation Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	May 28, 2022	May 29, 2021	May 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 8,168	$ 6,613	$ 6,057
Stock options exercise, intrinsic value	15,100	200	1,200
Stock options vested, total fair value	$ 2,200	$ 3,200	$ 3,500
Weighted average estimated value per share of employee stock options granted			$ 3.88
Options granted	0	0
Share price	$ 18.18
Performance Incentive Plan 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock made available for awards	1,797,440
Shares available for grant	1,715,208
Vesting period	3 years
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock made available for awards	1,825,000
Shares available for grant	672,000
Percentage of exercise price per share out of fair market value	85.00%
Common stock issued	462,000	506,000	400,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options termination period	10 years
Unrecognized compensation cost related to stock-based compensation	$ 1,400
Weighted-average period of cost to be recognized	10 months 28 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to stock-based compensation	$ 2,000
Weighted-average period of cost to be recognized	1 year 7 months 6 days
Weighted average grant date fair value of awards other than options	$ 18.28	$ 12.47	$ 15.98
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to stock-based compensation	$ 5,800
Weighted-average period of cost to be recognized	1 year 10 months 13 days
Weighted average grant date fair value of awards other than options	$ 18.25	$ 11.51	$ 14.98
Equity-Classified Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value of awards other than options	$ 18.41
Liability-Classified Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to stock-based compensation	$ 800
Weighted-average period of cost to be recognized	1 year 9 months 10 days
Weighted average grant date fair value of awards other than options	$ 16.91
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Unrecognized compensation cost related to stock-based compensation	$ 3,200
Weighted-average period of cost to be recognized	1 year 11 months 26 days
Weighted average grant date fair value of awards other than options	$ 18.41
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Minimum [Member] | Performance Incentive Plan 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Minimum [Member] | Performance Shares [Member] | Three Year Performance Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	0.00%
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Maximum [Member] | Performance Incentive Plan 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Maximum [Member] | Performance Shares [Member] | Three Year Performance Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	150.00%

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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