v3.5.0.2

INVESTMENTS: Investments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015	Nov. 30, 2015
Other Income (Expense), net [Member]
Gain (Loss) on Trading Securities [Abstract]
Gain (loss) on trading investments	$ 0		$ 50
Minimum [Member]
Schedule of Investments [Line Items]
Held-to-maturity securities, maturity period		3 months
Maximum [Member]
Schedule of Investments [Line Items]
Held-to-maturity securities, maturity period		1 year
Short-term Investments [Member]
Schedule of Investments [Line Items]
Held-to-maturity securities, cost basis		$ 6,959		$ 5,546
Held-to-maturity securities, unrealized gains		0		0
Held-to-maturity securities, carrying value		6,959		5,546
Other Long-term Investments [Member] | Other Assets [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, cost basis		1,019		837
Available-for-sale securities, unrealized gains		677		1,073
Available-for-sale securities, carrying value		1,696		1,910
Cost method investments, cost basis		4,214		4,555
Cost method investments, unrealized gains		0		0
Cost method investments, carrying value		$ 4,214		$ 4,555

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Held-to-maturity Securities, Debt Maturities, Date, company

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Unrealized Gain (Loss) position for Cost Method 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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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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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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The sum of the realized and unrealized net gain (loss) on trading securities during the period.

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