Lines of Credit and Financing Arrangements (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Short-Term Debt:
Short-term debt	$ 226.6us-gaap_ShortTermBorrowings	$ 165.9us-gaap_ShortTermBorrowings
Current maturities of long-term debt:
Capital lease obligations	1.5us-gaap_CapitalLeaseObligationsCurrent	1.3us-gaap_CapitalLeaseObligationsCurrent
Long-Term Debt:
Capital lease obligations	15.5	16.2
Total long-term debt	675.0	233.2
Total debt	925.6us-gaap_DebtAndCapitalLeaseObligations	400.4us-gaap_DebtAndCapitalLeaseObligations
Domestic Credit Facility [Member]
Current maturities of long-term debt:
Long-term Debt, Current Maturities	22.5	0
Long-Term Debt:
Total long-term debt	459.5	17.0
Senior Unsecured Notes [Member]
Long-Term Debt:
Total long-term debt	200.0	200.0
Asset Securitization Program [Member]
Short-Term Debt:
Short-term debt	220.0	160.0
Foreign Obligations [Member]
Short-Term Debt:
Short-term debt	$ 6.6	$ 5.9

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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