Fair Value (Details) - USD ($) $ in Thousands	May 31, 2017	Nov. 30, 2016
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Assets, transfers from Level 1 to Level 2	$ 0
Liabilities, transfers from Level 1 to Level 2	0
Assets, transfers from Level 2 to Level 1	0
Liabilities, transfers from Level 2 to Level 1	0
Marketable equity securities	1,272	$ 977
Interest rate swaps	2,098	1,892
Recurring basis \| Level 1
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Marketable equity securities	1,272	977
Recurring basis \| Level 2
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Interest rate swaps	129	207
Interest rate swaps	$ 2,098	$ 1,892

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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