LONG-TERM STOCK INCENTIVE PLAN - Summary of Option Activity Under Stock Plan (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Options Shares
Outstanding at beginning of period	194,073
Expired	(31,025)
Exercised	0	(13,250)	0
Forfeited	0
Outstanding at end of period	163,048	194,073
Exercisable at end of period	163,048
Options Weighted-Average Exercise Price
Outstanding at beginning of period	$ 41.03
Expired	$ 47.38
Exercised	$ 0.00
Forfeited	$ 0.00
Outstanding at end of period	$ 39.82	$ 41.03
Exercisable at end of period	$ 39.82
Options Weighted-Average Remaining Contractual Term
Outstanding at end of period	3 years 4 months 24 days
Exercisable at end of period	3 years 4 months 24 days
Options Aggregate Intrinsic Value
Outstanding at end of period	$ 324,338
Exercisable at end of period	$ 324,338

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of share options (or share units) exercised during the current period.

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