PROVISION FOR INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Income Taxes [Line Items]
Effective tax rate	72.00%	27.00%	46.00%	22.00%
Tax expense (benefit) to adjust taxes provided for the prior year	$ 2.0	$ 1.4	$ 2.2	$ (1.3)
Taxes to adjust withholding taxes			4.0
Taxes to adjust lapse of statute of limitations			0.7
Prior year foreign tax refund			1.2
Forecasted annual tax rate			39.00%	24.00%
Increase in gross unrecognized tax benefits		3.3
Gross unrecognized tax benefits	93.6		93.6
Amount of unrecognized tax benefit that would benefit tax expense if realized	78.3		78.3
State
Income Taxes [Line Items]
Research and development credit carryforward			17.9
Operating loss carryforwards	$ 7.1		$ 7.1