Debt and Credit Facilities (Short-Term Borrowings and Current Maturities of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Short-term borrowings and current maturities of long-term debt	$ 915.7	$ 367.7
Debentures With Put Feature [Member]
Short-term borrowings and current maturities of long-term debt	343.0	343.0
4.75% Senior Notes Due 2015 [Member]
Short-term borrowings and current maturities of long-term debt	299.9	0
5.50% Senior Notes Due 2015 [Member]
Short-term borrowings and current maturities of long-term debt	198.9	0
Current Maturities Of Long Term Debt [Member]
Short-term borrowings and current maturities of long-term debt	7.8	8.0
Other Short Term Borrowings [Member]
Short-term borrowings and current maturities of long-term debt	$ 66.1	$ 16.7