Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

v3.5.0.2
Income Taxes (Details Textual)
3 Months Ended 6 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Aug. 31, 2016
Aug. 31, 2015
Income Tax Disclosure [Abstract]        
Effective tax rate 31.70% 24.20% 31.80% 27.60%