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Note 5 - Intangible Assets - Other Intangible Assets (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Feb. 27, 2017 | May 28, 2017 | May 29, 2016 | May 31, 2015
Balance |  | $ 21,396,000 | $ 56,263,000 |  | $ 57,148,000 |
Amortization expense |  | (885,000) | (867,000) |  | (885,000) |
Balance |  | 22,811,000 | 21,396,000 |  | 56,263,000 |
Impairment during the period | $ 0 | 0 | (34,000,000) | [1] |  | [1]
Finite-lived Intangible Assets Acquired |  | 2,300,000 |  |  |  |
Trademarks and Trade Names [Member] |  |  |  |  |  |
Balance |  | 14,428,000 | 48,428,000 |  | 48,428,000 |
Amortization expense |  |  |  |  |  |
Balance |  | 16,028,000 | 14,428,000 |  | 48,428,000 |
Impairment during the period |  |  | (34,000,000) |  |  |
Finite-lived Intangible Assets Acquired |  | 1,600,000 |  |  |  |
Customer Relationships [Member] |  |  |  |  |  |
Balance |  | 6,968,000 | 7,835,000 |  | 8,720,000 |
Amortization expense |  | (885,000) | (867,000) |  | (885,000) |
Balance |  | 6,783,000 | 6,968,000 |  | $ 7,835,000 |
Impairment during the period |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  | $ 700,000 |  |  |  |
[1] | See Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies for a discussion of accounting principles adopted during the period.

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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