Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of assets held-for-sale that are not part of a disposal group.

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Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

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The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

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Subsequent Events (Details Textual) - USD ($)		3 Months Ended
Subsequent Events (Details Textual) - USD ($)	Dec. 23, 2019	May 24, 2020	Feb. 23, 2020	Dec. 02, 2019	Nov. 24, 2019
Assets held for sale					$ 13,000,000
Subsequent Event
Severance related expenses		$ 1,500,000	$ 1,200,000
Lease exit costs		$ 600,000	$ 400,000
Cash proceeds from sale	$ 2,400,000
Subsequent Event \| 2019 Swap \| London Interbank Offered Rate (LIBOR)
Interest rate swap contract notional amount				$ 110,000,000
Derivative variable interest rate				1.53%