Income Taxes (Operating Loss Carryforwards) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 203.1
State [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	105.4
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 43.7