Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	May 30, 2020	May 25, 2019	May 26, 2018	Apr. 15, 2020
Stockholders' Equity Disclosure [Line Items]
Common stock, shares authorized	70,000,000	70,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares outstanding	32,144,000	31,588,000
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Cost of shares repurchased	$ 5,000	$ 29,891	$ 5,116
Dividends payable (per share)				$ 0.14
Dividends payable, current	4,500
July 2015 Program [Member]
Stockholders' Equity Disclosure [Line Items]
Amount authorized under a stock repurchase program	$ 150,000
Purchase of common stock (in shares)	300,000	1,800,000
Common stock shares repurchased, price per share	$ 15.70	$ 16.17
Cost of shares repurchased	$ 5,000	$ 29,900
Stock repurchase plan, remaining amount	$ 85,100