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Financing Arrangements (Details Textual) € in Millions, $ in Millions |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 25, 2019 | Sep. 11, 2018 USD ($) | Sep. 06, 2018 USD ($) | Sep. 18, 2017 USD ($) | Sep. 07, 2017 EUR (€) | Sep. 30, 2019 EUR (€) | Sep. 30, 2019 EUR (€) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Short-term Debt |  |  |  |  |  |  |  |  |  | $ 34.8 | $ 33.6
Long-term Fixed-rate Debt, Carrying Value |  |  |  |  |  |  |  |  |  | 1,062.6 | 1,070.7
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  |  |  |  | $ 451.0 | $ 1,286.1 |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  |  |  |  |  | 1,615.3 | 1,648.0
Accounts Receivable, after Allowance for Credit Loss, Current |  |  |  |  |  |  |  |  |  | $ 548.3 | $ 546.6
Euro Term Loan - Variable Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate |  |  |  |  |  | 1.13% | 1.13% |  |  | 1.13% | 1.13%
Euro Senior Unsecured Notes - 2.02% [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest rate |  |  |  |  |  | 2.02% | 2.02% |  |  | 2.02% |
Senior Unsecured Notes - 3.875% [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest rate |  |  |  |  |  | 3.875% | 3.875% |  |  | 3.875% |
Debt Instrument, Maturity Date |  |  |  |  |  |  | Sep. 01, 2024 | Sep. 01, 2024 |  |  |
Series A Medium Term Note [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | May 01, 2028 | May 01, 2028 |  |  |
Senior Unsecured Notes - 4.5% [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Issuance Date |  |  | Sep. 06, 2018 |  |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  | $ 400.0 |  |  |  |  |  |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  |  |  |  |  | $ 396.1 | $ 395.8
Debt Instrument, Interest rate |  |  |  |  |  | 4.50% | 4.50% |  |  | 4.50% |
Debt Instrument, Maturity Date |  |  | Dec. 15, 2028 |  |  |  |  |  |  |  |
Euro Term Loan - Variable Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Issuance Date |  |  |  | Sep. 18, 2017 |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  | $ 100.0 |  |  |  |  |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  | € 48.5 | € 48.5 |  |  | $ 52.8 | 107.1
Debt Instrument, Maturity Date |  |  |  | Sep. 18, 2020 |  |  |  |  |  |  |
Early Repayment of Senior Debt | € |  |  |  |  |  | € 23.5 |  |  |  |  |
Repayments of Senior Debt | € |  |  |  |  |  |  | € 51.5 |  |  |  |
Euro Senior Unsecured Notes - 2.02% [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Issuance Date |  |  |  |  | Sep. 07, 2017 |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt | € |  |  |  |  | € 150.0 |  |  |  |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  |  |  |  |  | $ 163.0 | 171.4
Debt Instrument, Interest rate |  |  |  |  |  | 2.02% | 2.02% |  |  | 2.02% |
Debt Instrument, Maturity Date |  |  |  |  | Sep. 07, 2027 |  |  |  |  |  |
Senior Unsecured Notes - Variable Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under line of credit |  |  |  |  |  |  |  |  |  | $ 650.0 |
Remaining Borrowing Capacity under Line of Credit Facility of Company's foreign subsidiaries |  |  |  |  |  |  |  |  |  | 580.7 |
Debt Instrument, Issuance Date | Jun. 25, 2019 |  |  |  |  |  |  |  |  |  |
Line of credit expiration date |  |  |  |  |  |  | Jun. 25, 2024 | Jun. 25, 2024 |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  |  |  |  |  | $ 69.3 | $ 43.9
Long-term Debt, Weighted Average Interest Rate, at Point in Time |  |  |  |  |  | 3.26% | 3.26% |  |  | 3.26% | 3.40%
Senior Unsecured Notes - Variable Rate [Member] | Euro Member Countries, Euro |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Weighted Average Interest Rate, at Point in Time |  |  |  |  |  | 1.00% | 1.00% |  |  | 1.00% | 1.10%
Foreign Subsidiary [Member] |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Short-term Debt |  |  |  |  |  |  |  |  |  | $ 22.0 | $ 33.6
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under line of credit |  |  |  |  |  |  |  |  |  | 261.9 |
Borrowings guarantees |  |  |  |  |  |  |  |  |  | 0.3 |
Remaining Borrowing Capacity under Line of Credit Facility of Company's foreign subsidiaries |  |  |  |  |  |  |  |  |  | $ 239.6 |
Line of Credit stated variable interest rate, High Range |  |  |  |  |  | 2.28% | 2.28% |  |  | 2.28% | 1.00%
Line of Credit Accounts Receivable Securitization [Member] |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Short-term Debt |  |  |  |  |  |  |  |  |  | $ 12.8 | $ 0.0
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity under line of credit |  |  |  |  |  |  |  |  |  | 100.0 |
Remaining Borrowing Capacity under Line of Credit Facility of Company's foreign subsidiaries |  |  |  |  |  |  |  |  |  | 0.0 |
Line of credit expiration date |  |  |  |  |  |  | Nov. 30, 2021 | Nov. 30, 2021 |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  |  |  |  |  |  |  | 100.0 |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  |  |  |  |  | $ 87.2 | $ 75.0
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate |  |  |  |  |  | 3.09% | 3.09% |  |  | 3.09% | 3.22%
Term Loan - Variable Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Issuance Date |  | Sep. 11, 2018 |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  | $ 350.0 |  |  |  |  |  |  |  |  |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  |  |  |  |  |  |  |  | $ 340.7 | $ 347.1
Debt Instrument, Maturity Date |  | Sep. 11, 2023 |  |  |  |  |  |  |  |  |
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate |  |  |  |  |  | 3.65% | 3.65% |  |  | 3.65% | 3.77%
Debt Instrument, Repurchase Date |  |  |  |  |  |  | Jul. 12, 2019 | Jul. 12, 2019 |  |  |
Minimum [Member] | Series A Medium Term Note [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest rate |  |  |  |  |  | 6.74% | 6.74% |  |  | 6.74% |
Maximum [Member] | Series A Medium Term Note [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Arrangements (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest rate |  |  |  |  |  | 7.76% | 7.76% |  |  | 7.76% |

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- Definition High end of interest rates at the period end comprising the entity's portfolio of variable-rate lines of credit for certain foreign subsidiaries. + References No definition available. + Details
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