PROVISION FOR INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Feb. 28, 2014	Feb. 28, 2013
Income Taxes [Line Items]
Effective tax rate	27.00%	(1.00%)
Tax expense to adjust taxes provided for the prior year	$ (0.3)	$ 1.4
Taxes to adjust withholding taxes	1.6	1.8
Taxes to adjust lapse of statute of limitations	2.3
Reinstatement of tax credits for research		3.3
Forecasted annual tax rate	28.00%	14.00%
Increase in gross unrecognized tax benefits	0.7
Gross unrecognized tax benefits	87.1
Amount of unrecognized tax benefit that would benefit tax expense if realized	73.0
State
Income Taxes [Line Items]
Research and development credit carryforward	14.9
Operating loss carryforwards	$ 4.3

Forecasted Annual Tax Rate

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Income Tax Reconciliation, Lapse of Statute of Limitations

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Income Tax Reconciliation, Reinstatement of Credits for Research

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Income Tax Reconciliation, Withholding Taxes

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Research And Development Credit Carryforward

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB

-Name Accounting Standards Codification

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-Topic 235

-SubTopic 10

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit).

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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-Glossary Unrecognized Tax Benefit

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The net amount of all increases and decreases in unrecognized tax benefits for the period.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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