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The number of processing plants held by an entity.

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No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (a)(1)

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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-Name Accounting Standards Codification

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-Paragraph 1

-Subparagraph (c)(3)

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

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No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-SubTopic 20

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-Section 45

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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from a business combination.

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No definition available.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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-Paragraph 2

-Subparagraph (SX 210.5-03.1)

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Article 5

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Note 2 - Acquisitions (Details) (USD $)	12 Months Ended						1 Months Ended	0 Months Ended	12 Months Ended
Note 2 - Acquisitions (Details) (USD $)	May 25, 2014	May 26, 2013	May 27, 2012	May 29, 2011	Apr. 23, 2012 Achieving Revenue Target [Member] GreenLine Holding Company [Member]	Apr. 23, 2012 Exceeding Revenue Target [Member] GreenLine Holding Company [Member]	Apr. 23, 2012 Revenue Target [Member] GreenLine Holding Company [Member]	Apr. 23, 2012 GreenLine Holding Company [Member]	May 26, 2013 GreenLine Holding Company [Member]	May 27, 2012 GreenLine Holding Company [Member]	Apr. 23, 2012 GreenLine Holding Company [Member]
Note 2 - Acquisitions (Details) [Line Items]
Number of Processing Plants								4
Payments to Acquire Businesses, Gross								$ 62,900,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High					4,000,000	3,000,000					7,000,000
Revenues							3,000,000
Business Combination, Contingent Consideration, Liability										3,900,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability		(3,933,000)	1,421,000						(3,900,000)
Revenue, Net	476,813,000	441,708,000	317,552,000							9,100,000
Indefinite-lived Intangible Assets Acquired								36,000,000
Finite-lived Intangible Assets Acquired			43,500,000					7,500,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life								13 years
Goodwill	49,620,000	49,620,000	49,620,000	36,462,000							13,200,000
Business Combination, Acquisition Related Costs										$ 1,400,000