Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Nov. 24, 2018	Nov. 24, 2018	Jul. 31, 2015
Stockholders' Equity Disclosure [Line Items]
Cost of shares repurchased		$ 13,002
July 2015 Program [Member]
Stockholders' Equity Disclosure [Line Items]
Amount authorized under a stock repurchase program			$ 150,000
Purchase of common stock (in shares)	338,536	806,448
Common stock shares repurchased, price per share	$ 16.36	$ 16.12
Cost of shares repurchased	$ 5,500	$ 13,000
Stock repurchase plan, remaining amount	$ 107,000	$ 107,000

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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