Acquisitions - Schedule of Pro Forma Information (Details) - Pineland Farms Potato Company, Inc. $ in Thousands	3 Months Ended
Jul. 29, 2016 USD ($)
Business Acquisition [Line Items]
Revenue (excluding intercompany sales)	$ 95,094
Operating income	8,135
Income before taxes	6,428
Provision for income taxes	2,073
Net income	$ 4,355

Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Before Tax

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Business Acquisition, Pro Forma Income Tax Expense (Benefit)

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Business Acquisition, Pro Forma Operating Income (Loss)

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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