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Segment Information And Enterprise Reporting (Schedule Of Revenue From External Customers And Long-Lived Assets, By Geographical Areas) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Nov. 24, 2018	Nov. 25, 2017	Nov. 24, 2018	Nov. 25, 2017	May 26, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue		$ 188,799	$ 156,738	$ 367,357	$ 297,924
Long-Lived Assets	[1]	231,388		231,388		$ 232,894
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue		148,901	119,443	290,130	232,568
Long-Lived Assets	[1]	198,573		198,573		198,280
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue		39,898	$ 37,295	77,227	$ 65,356
Long-Lived Assets	[1]	$ 32,815		$ 32,815		$ 34,614
[1] Long-lived assets are comprised of goodwill, intangible assets and property and equipment.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
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-Name Accounting Standards Codification
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No definition available.

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