Summary Of Significant Accounting Policies Summary of Significant Accounting Policies (Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 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