Income Taxes (Operating Loss Carryforwards) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 182.9
State [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	101.7
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 43.8