Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Line Items]
Estimated tax rate	36.50%	39.00%
Unrepatriated foreign earnings	$ 0.3
Estimated range of change, upper bound	0
Estimated range of change, lower bound	(9.8)
Scenario, Plan [Member]
Income Tax Disclosure [Line Items]
Foreign earnings targeted for repatriation	3.6
Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax years	2000
Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax years	2013
Federal Ministry of Finance, Germany [Member]
Income Tax Disclosure [Line Items]
Unrecognized tax benefits	24.0
Amounts of tax benefits that would affect effective tax rate if recognized	18.4
Payment to taxing authority to pursue litigation	$ 16.3