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Income Taxes Operating Loss Carryforwards Narrative (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
State and Local Jurisdiction [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards 33.6us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
Foreign Tax Authority [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards 48.6us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
Minimum [Member] | State and Local Jurisdiction [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards, Expiration Date Jan. 01, 2024
Maximum [Member] | State and Local Jurisdiction [Member]  
Operating Loss Carryforwards [Line Items]  
Operating Loss Carryforwards, Expiration Date Dec. 31, 2027