Debt And Shareholders' Equity Debt Disclosures (Details) $ in Millions	6 Months Ended
	Jun. 30, 2015 USD ($)
Debt Instrument, Redemption [Line Items]
Trust Preferred Securities, Redeemed	$ 3.1
Federal Home Loan Bank Advances, Redeemed	22.0
Debt extinguishment early tender premiums	2.4
Senior medium-term notes, optional early redemptions in 2015 [Member]
Debt Instrument, Redemption [Line Items]
Long-term Senior notes redeemed	$ 27.0