STOCK-BASED COMPENSATION - Summary of Additional Information Pertaining to Stock-Based Compensation from Stock Options and Stock Awards (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Stock options
Stock options:
Weighted-average grant-date fair value (usd per share)	$ 8.24	$ 10.96	$ 7.84	$ 9.93
Options granted (in shares)	5	17	23	189
Options exercised (in shares)	(1,395)	(697)	(2,382)	(2,334)
Total intrinsic value of stock options exercised	$ 20,059	$ 14,627	$ 36,114	$ 46,491
Total unrecognized compensation expense at period-end	7,623	20,723	7,623	20,723
Weighted-average remaining recognition period at period-end	1 year 8 months 30 days	2 years 3 months 30 days	1 year 8 months 30 days	2 years 3 months 30 days
Stock awards
Stock options:
Weighted-average remaining recognition period at period-end	1 year 9 months 30 days	1 year 10 months 30 days	1 year 9 months 30 days	1 year 10 months 30 days
Stock awards:
Weighted-average grant-date fair value (usd per share)	$ 23.67	$ 27.32	$ 22.49	$ 28.29
Stock awards granted (in shares)	214	1,638	2,961	2,602
Stock awards vested (in shares)	(361)	(241)	(1,835)	(1,929)
Total unrecognized compensation expense at period-end	$ 88,184	$ 115,794	$ 88,184	$ 115,794

STOCK-BASED COMPENSATION - Summary of Additional Information Pertaining to Stock-Based Compensation from Stock Options and Stock Awards (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified

3 Months Ended

9 Months Ended

Aug. 31, 2013

Aug. 31, 2012

Aug. 31, 2013

Aug. 31, 2012

Stock options

Stock options:

Weighted-average grant-date fair value (usd per share)

$ 8.24

$ 10.96

$ 7.84

$ 9.93

Options granted (in shares)

189

Options exercised (in shares)

(1,395)

(697)

(2,382)

(2,334)

Total intrinsic value of stock options exercised

$ 20,059

$ 14,627

$ 36,114

$ 46,491

Total unrecognized compensation expense at period-end

7,623

20,723

7,623

20,723

Weighted-average remaining recognition period at period-end

1 year 8 months 30 days

2 years 3 months 30 days

1 year 8 months 30 days

2 years 3 months 30 days

Stock awards

Stock options:

Weighted-average remaining recognition period at period-end

1 year 9 months 30 days

1 year 10 months 30 days

1 year 9 months 30 days

1 year 10 months 30 days

Stock awards:

Weighted-average grant-date fair value (usd per share)

$ 23.67

$ 27.32

$ 22.49

$ 28.29

Stock awards granted (in shares)

214

1,638

2,961

2,602

Stock awards vested (in shares)

(361)

(241)

(1,835)

(1,929)

Total unrecognized compensation expense at period-end

$ 88,184

$ 115,794

$ 88,184

$ 115,794

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

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Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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