Borrowings (Short-term Debt) (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2012	Feb. 29, 2012
Notes Payable to Banks
Notes Payable to Banks, Current	$ 16.6	$ 377.9
Notes Payable to Bank, Noncurrent	0
Notes Payable to Banks, Total	16.6	377.9
Senior Credit Facility - Revolving Credit Loans [Member]
Notes Payable to Banks
Notes Payable to Banks, Current	0
Notes Payable to Bank, Noncurrent	0
Notes Payable to Banks, Total	0	298.0
Other [Member]
Notes Payable to Banks
Notes Payable to Banks, Current	16.6
Notes Payable to Bank, Noncurrent	0
Notes Payable to Banks, Total	$ 16.6	$ 79.9