STOCK-BASED COMPENSATION - Narrative (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended		0 Months Ended	1 Months Ended		9 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013	Aug. 01, 2014 PRSU	May 30, 2014 PRSU	Feb. 28, 2014 PRSU	Aug. 31, 2014 PRSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation	$ 8.6	$ 7.9	$ 31.9	$ 39.2
Deferred tax benefit on stock-based compensation expenses	$ 2.4	$ 1.9	$ 8.9	$ 11.3
Number of units granted (in shares)						1,700,000	1,700,000	2,600,000
Number of units canceled (in shares)					900,000
Stock awards vested (in shares)								1,800,000