Lines of Credit and Financing Arrangements (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Short-Term Debt:
Short-term Debt	$ 229.0	$ 165.9
Current maturities of long-term debt:
Capital lease obligations	1.3	1.3
Long-Term Debt:
Capital lease obligations	16.7	16.2
Total long-term debt	365.7	233.2
Total debt	596.0	400.4
Domestic revolving credit facility [Member]
Long-Term Debt:
Long-term debt	149.0	17.0
Senior unsecured notes [Member]
Long-Term Debt:
Long-term debt	200.0	200.0
Asset Securitization [Member]
Short-Term Debt:
Short-term Debt	220.0	160.0
Foreign obligations [Member]
Short-Term Debt:
Short-term Debt	$ 9.0	$ 5.9