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Note 1 - Organization, Basis of Presentation and Summary of Significant Accounting Policies - Assumptions Used in Discounted Cash Flow Models (Details)
$ in Millions
Feb. 28, 2016
USD ($)
10% increase in revenue growth rates $ 0.7
10% increase in expense growth rates $ (0.5)
10% increase in income tax rates
10% increase in discount rates $ (0.3)