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Organization and Basis of Presentation Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |
Capitalized computer software, gross | $ 19.2 us-gaap_CapitalizedComputerSoftwareGross |  |
Capitalized Computer Software, Additions | 11.4 us-gaap_CapitalizedComputerSoftwareAdditions | 7.8 us-gaap_CapitalizedComputerSoftwareAdditions |
Capitalized computer software, amortization | 0.4 us-gaap_CapitalizedComputerSoftwareAmortization | 0.1 us-gaap_CapitalizedComputerSoftwareAmortization |
Finite-Lived Intangible Assets, Gross | 6.2 us-gaap_FiniteLivedIntangibleAssetsGross | 7.4 us-gaap_FiniteLivedIntangibleAssetsGross | 7.4 us-gaap_FiniteLivedIntangibleAssetsGross
Finite-Lived Intangible Assets, Translation Adjustments | $ (1.2)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments | $ 0 us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments |

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- Definition Additions made to capitalized computer software costs during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments. + References No definition available. + Details
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