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Lines of Credit and Financing Arrangements (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2015
Dec. 31, 2014
Short-term Debt [Line Items]        
Short-term Debt     $ 185.3us-gaap_ShortTermBorrowings $ 226.6us-gaap_ShortTermBorrowings
Foreign obligations [Member]        
Short-term Debt [Line Items]        
Short-term Debt     5.3us-gaap_ShortTermBorrowings
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ForeignLineOfCreditMember
6.6us-gaap_ShortTermBorrowings
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ForeignLineOfCreditMember
Proceeds from short-term debt 11.0us-gaap_ProceedsFromShortTermDebt
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ForeignLineOfCreditMember
20.6us-gaap_ProceedsFromShortTermDebt
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ForeignLineOfCreditMember
   
Repayments of short-term debt $ 11.2us-gaap_RepaymentsOfShortTermDebt
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ForeignLineOfCreditMember
$ 18.1us-gaap_RepaymentsOfShortTermDebt
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ForeignLineOfCreditMember