Derivative Financial Instruments (Summary Of Location And Amounts Of Derivative Fair Values In The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivative Financial Instruments [Line Items]
Asset Derivatives	$ 0	$ 1,650
Liability Derivatives	(4,219)	(140)
Non-hedging derivatives [Member] | Interest rate swap agreements [Member] | Other Assets [Member]
Derivative Financial Instruments [Line Items]
Asset Derivatives	0	1,650
Liability Derivatives	0	0
Non-hedging derivatives [Member] | Interest rate swap agreements [Member] | Other liabilities [Member]
Derivative Financial Instruments [Line Items]
Asset Derivatives	0	0
Liability Derivatives	(4,025)	0
Non-hedging derivatives [Member] | Equity contracts [Member] | Other liabilities [Member]
Derivative Financial Instruments [Line Items]
Asset Derivatives	0	0
Liability Derivatives	$ (194)	$ (140)