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, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Stock options
Stock options:
Options exercised (in shares)	1,230	1,395	3,374	2,382
Total intrinsic value of stock options exercised	$ 13,759	$ 20,059	$ 40,710	$ 36,114
Total unrecognized compensation expense at period-end	2,411	7,623	2,411	7,623
Weighted-average remaining recognition period at period-end	1 year 0 months 30 days	1 year 8 months 30 days	1 year 0 months 30 days	1 year 8 months 30 days
Stock awards
Stock options:
Weighted-average remaining recognition period at period-end	2 years 5 months 30 days	1 year 9 months 30 days	2 years 5 months 30 days	1 year 9 months 30 days
Stock awards (excluding PRSUs):
Weighted-average grant-date fair value (usd per share)	$ 20.11	$ 23.67	$ 19.90	$ 22.49
Stock awards granted (in shares)	1,521	214	5,605	2,961
Stock awards vested (in shares)	351	361	1,717	1,835
Total unrecognized compensation expense at period-end	$ 90,528	$ 88,184	$ 90,528	$ 88,184