Shareholders' Equity And Stock Incentive Plan (Summary Of Stock Options Activity) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Shareholders' Equity And Stock Incentive Plan [Abstract]
Shares, Outstanding, beginning of period	263,354	414,854	895,463
Weighted-Average Exercise Prices, Outstanding, beginning period	$ 7.11	$ 6.10	$ 8.43
Shares, Granted	0	0	0
Weighted-Average Exercise Prices, Granted	$ 0.00	$ 0.00	$ 0.00
Shares, Exercised	(20,500)	(151,500)	(266,433)
Weighted-Average Exercise Prices, Exercised	$ 5.50	$ 4.36	$ 2.59
Shares, Forfeited	0	0	(2,493)
Weighted-Average Exercise Prices, Forfeited	$ 0.00	$ 0.00	$ 18.56
Shares, Other			(211,683)
Weighted-Average Exercise Prices, Other			$ 20.22
Shares, Outstanding, end of period	242,854	263,354	414,854
Weighted-Average Exercise Prices, Outstanding, end of period	$ 7.24	$ 7.11	$ 6.10
Shares, Exercisable, end of period	242,854	263,354	414,854
Weighted-Average Exercise Prices, Exercisable, end of period	$ 7.24	$ 7.11	$ 6.10
Weighted-Average Remaining Life, Outstanding, end of period	10 months 13 days
Aggregate Intrinsic Value, Outstanding, end of period	$ 3.21
Weighted - Average Remaining Life, Exercisable, end of period	10 months 13 days
Aggregate Intrinsic Value, Exercisable, end of period	$ 3.21