Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Tax Credit Carryforward [Line Items]
Cumulative undistributed net earnings of foreign subsidiaries included in retained earnings	$ 120.4
Valuation Allowance, Deferred Tax Asset, Change in Amount		3.1
Adjustment to additional paid in capital, income tax effect from share-based compensation, net	1.4	2.0	1.8
State and Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
State net operating loss carryforwards, valuation allowance	$ 6.8	$ 6.0