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Financing Arrangements (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2016
Short-term debt |  |
Short-term debt | $ 49.5 | $ 19.2
Line of Credit Accounts Receivable Securitization [Member] |  |
Short-term Debt [Line Items] |  |
Line of Credit Facility, Interest Rate at Period End | 1.88% |
Line of Credit Stated Variable Interest Rate Low Range | 1.88% | 1.65%
Line of Credit [Member] | Line of Credit Accounts Receivable Securitization [Member] |  |
Short-term debt |  |
Short-term debt | $ 22.4 | $ 0.0
Line of Credit [Member] | Foreign Subsidiary [Member] |  |
Short-term debt |  |
Short-term debt | 27.1 | $ 19.2
Line of Credit Accounts Receivable Securitization [Member] |  |
Short-term debt |  |
Short-term debt | $ 87.2 |
Senior Unsecured Notes - 3.875% [Member] |  |
Short-term Debt [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.875% |
Debt Instrument, Maturity Date | Sep. 01, 2024 |
Series A Medium Term Note [Member] |  |
Short-term Debt [Line Items] |  |
Debt Instrument, Maturity Date | May 01, 2028 |
Senior Unsecured Notes - Variable Rate [Member] |  |
Short-term Debt [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.67% | 1.50%
Debt Instrument, Maturity Date | Jun. 19, 2020 |
Maximum [Member] | Series A Medium Term Note [Member] |  |
Short-term Debt [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 7.76% |
Minimum [Member] | Series A Medium Term Note [Member] |  |
Short-term Debt [Line Items] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.74% |

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