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Significant Accounting Policies - Additional Information (Detail)	1 Months Ended	12 Months Ended
	Apr. 30, 2005 Buildings	Jun. 28, 2018 USD ($) Customer Segment	Jun. 29, 2017 USD ($) Customer	Jun. 30, 2016 USD ($) Customer
Accounting Policies [Line Items]
Period to shell bulk stored nut inventories		Ten to fifteen-month
Interest costs capitalized		$ 0	$ 0	$ 0
Number of reportable operating segment | Segment		1
Recorded impairments of long - lived assets		$ 0	0	0
Goodwill impairment		$ 0
Percentage of likelihood to record liabilities for uncertain tax positions		Greater than 50
Percentage of likelihood where no benefit for uncertain tax positions is recorded		Less than 50
SEC Schedule, 12-09, Deferred Tax Asset Valuation Allowance [Member]
Accounting Policies [Line Items]
Deferred tax asset valuation allowance		$ 112,000
Minimum [Member]
Accounting Policies [Line Items]
Assessment to determine fair value		50.00%
ASU No. 2017-07 [Member]
Accounting Policies [Line Items]
Reclassification of administrative expense to other expense			$ 2,133,000	$ 1,850,000
Accounts Receivable [Member]
Accounting Policies [Line Items]
Number of customers exceeding ten percent of sales | Customer		3	3	3
Accounts Receivable [Member] | Credit Concentration Risk [Member]
Accounting Policies [Line Items]
Percentage of concentration risk		62.00%	56.00%
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Accounting Policies [Line Items]
Percentage of concentration risk		54.00%	53.00%	50.00%
Sales Revenue, Net [Member] | Minimum [Member]
Accounting Policies [Line Items]
Concentration Risk Benchmark Percentage		10.00%	10.00%	10.00%
Elgin Site [Member]
Accounting Policies [Line Items]
Percentage of rentable area currently vacant		63.00%
Number of buildings located on site | Buildings	2
Percentage of building currently not been built-out		29.00%

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Accounting Policies [Line Items]

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Concentration Risk Major Customers Sales

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Goodwill impairment threshold percentage.

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Number of buildings located on site.

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Number Of Customers Exceeding Ten Percent Of Sales

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Threshold of likelihood of being sustained that tax position must exceed in order to be recorded in the financial statements.

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Percentage of rentable area currently vacant.

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Percentage of building not built-out.

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Period To Shell Bulk Stored Nut Inventories

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Description of the likelihood that an uncertainty in income taxes will not be sustained as a result of the examination by the taxing authority.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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