v3.3.1.900

INVESTMENTS: (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Net Realized and Unrealized Gain (Loss) on Trading Securities [Abstract]
Gains on trading investments	$ 50	$ 397	$ 1,868
Short-term Investments [Member]
Gain (Loss) on Investments [Line Items]
Trading securities, cost basis	0	1,614
Trading securities, unrealized gains	0	373
Trading securities, carrying value	0	1,987
Held-to-maturity securities, cost basis	5,546	5,141
Held-to-maturity securities, unrealized gains	0	0
Held-to-maturity securities, carrying value	5,546	5,141
Short-term investments, cost basis	5,546	6,755
Short-term investments, unrealized gains	0	373
Short-term investment, carrying value	5,546	7,128
Other Long-term Investments [Member] | Other Assets [Member]
Gain (Loss) on Investments [Line Items]
Available-for-sale securities, cost basis	837	843
Available-for-sale securities, unrealized gains	1,073	897
Available-for-sale securities, carrying value	1,910	1,740
Cost-method investments, cost basis	4,555	4,578
Cost-method investments, unrealized gains	0	0
Cost-method investments, carrying value	$ 4,555	$ 4,578

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Gross unrealized gain (loss) on investments

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

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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