Summary Of Significant Accounting Policies Summary of Significant Accounting Policies (Stock Repurchase Program) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 16, 2014
Share Repurchase Program [Abstract]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		800,000
Stock Repurchased During Period, Shares	89,400
Treasury Stock, Value, Acquired, Cost Method	$ 2.9
Treasury Stock Acquired, Average Cost Per Share	$ 32.66