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Debt Schedule of Long-term Debt Instruments (Tables) | 12 Months Ended
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Dec. 31, 2018
Debt Instrument [Line Items] |
Schedule of Debt [Table Text Block] | Short-term borrowings and long-term debt obligations are composed of the following.
| December 31,
($ in millions) | 2018 | 2017
Short-term borrowings: |  |
Local overdraft facilities | $ | 17.0 |  | 45.4 |
Other short-term borrowings | 15.7 |  | 32.0 |
Total short-term borrowings | 32.7 |  | 77.4 |
Credit facility, net of debt issuance costs of $15.9 and $15.3 | (15.9 | ) | (15.3 | )
Long-term senior notes, 4.4%, face amount of $275.0, due November 2022, net of debt issuance costs of $1.5 and $2.0 | 273.5 |  | 273.0 |
Long-term senior notes, 1.96%, face amount of €175.0, due June 2027, net of debt issuance costs of $1.1 and $1.2 | 199.0 |  | 208.8 |
Long-term senior notes, 2.21%, face amount of €175.0, due June 2029, net of debt issuance costs of $1.1 and $1.1 | 199.0 |  | 208.8 |
Total debt | $ | 688.3 |  | 752.7 |
Schedule of Credit Facility, Average Outstanding Amount [Table Text Block] | The following table provides additional information on our Facility.
| Twelve months ended December 31,
($ in millions) | 2018 | 2017
Average outstanding borrowings under the Facility | $ | 364.1 |  | 888.5 |
Effective interest rate on the Facility | 2.9 | % | 2.0 | %

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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