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Financing Receivables Financing Receivables (Tables) | 12 Months Ended
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Dec. 31, 2016
Financing Receivables [Line Items] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | The Company's total financing receivables as of December 31, 2016 and 2015 consisted of the following:
|  | December 31,
Balance Sheet Classification |  | 2016 |  | 2015
| (Dollars in millions)
Other current assets | $ | — |  |  | $ | 20.0 |
Investments and other assets | 84.8 |  |  | 65.2 |
Total financing receivables | $ | 84.8 |  |  | $ | 85.2 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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