Note 10 - Unconsolidated Affiliated Companies (Tables)

12 Months Ended

Nov. 30, 2013

Income from IHFC [Member]

Note 10 - Unconsolidated Affiliated Companies (Tables) [Line Items]

Equity Method Investments [Table Text Block]

	2013		2012		2011
Earnings recognized	$	770	$	347	$	8

Gain from Sale and Consideration Received [Member]

Note 10 - Unconsolidated Affiliated Companies (Tables) [Line Items]

Schedule of Sale of Stock by Subsidiary or Equity Method Investee Disclosure [Table Text Block]

Gain on sale of affiliate:
Consideration received:
Cash	$	69,152
Tax escrow (1)		1,413
Indemnification escrow (2)		4,695
Investment in IMC (3)		1,000
Total consideration received	$	76,260
Investment in IHFC:
Distributions in excess of affiliate earnings		9,282
Gain on sale of affiliate	$	85,542

Summarized Financial Information for IHFC [Member]

Note 10 - Unconsolidated Affiliated Companies (Tables) [Line Items]

Equity Method Investments [Table Text Block]

	2011*
Revenues	19,955
Net income	3,470