XML 52 R59.htm IDEA: XBRL DOCUMENT

Income Taxes (Details Textual)	3 Months Ended		9 Months Ended
Income Taxes (Details Textual)	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011
Income Tax Disclosure [Abstract]
Effective tax rate	27.00%	37.40%	25.30%	24.60%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References+ Details