Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details Textual)

v3.2.0.727
Fair Value of Financial Instruments (Details Textual) - USD ($)
$ in Millions
May. 31, 2015
Feb. 28, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion $ 7,216.7 $ 7,295.6
Carrying amount [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion 7,216.7 7,295.6
Fair value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, including current portion $ 7,559.7 $ 7,378.6