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Commitments and Contingencies - Guarantees (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 3 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2013
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| Guarantor Obligations [Line Items] | ||||
| Other income, net | $ 4.6us-gaap_OtherNonoperatingIncomeExpense | $ 9.0us-gaap_OtherNonoperatingIncomeExpense | $ 3.0us-gaap_OtherNonoperatingIncomeExpense | |
| Performance Guarantee | ||||
| Guarantor Obligations [Line Items] | ||||
| Other income, net |
$ 8.8us-gaap_OtherNonoperatingIncomeExpense / us-gaap_GuaranteeObligationsByNatureAxis = us-gaap_PerformanceGuaranteeMember |
$ 11.1us-gaap_OtherNonoperatingIncomeExpense / us-gaap_GuaranteeObligationsByNatureAxis = us-gaap_PerformanceGuaranteeMember |
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- Definition
The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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