Stock Compensation and Share Repurchase Plan (Summary Of Nonvested Restricted Share Activity) (Details) (Restricted Shares [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted Shares Outstanding - Balance, beginning of year	763,000	585,000	401,000
Restricted Shares Outstanding - Granted	467,000	369,000	282,000
Restricted Shares Outstanding - Released	(153,000)	(147,000)	(82,000)
Restricted Shares Outstanding - Forfeited/expired	(85,000)	(44,000)	(16,000)
Restricted Shares Outstanding - Balance, end of year	992,000	763,000	585,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value - Balance, beginning of year	$ 12.39	$ 12.98	$ 15.29
Weighted Average Grant Date Fair Value - Granted	$ 13.04	$ 11.80	$ 11.02
Weighted Average Grant Date Fair Value - Released	$ 12.17	$ 13.50	$ 17.58
Weighted Average Grant Date Fair Value - Forfeited/expired	$ 11.74	$ 11.52	$ 12.91
Weighted Average Grant Date Fair Value - Balance, end of year	$ 12.79	$ 12.39	$ 12.98