Stock Compensation and Share Repurchase Plan (Summary Of Outstanding Stock Options Issued Under All Plans) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding	981	1,850	2,151	2,067
Weighted Avg Remaining Contractual Life	4 years 4 months 24 days
Options Outstanding, Weighted Avg. Exercise Price	$ 16.17	$ 15.37	$ 14.48	$ 14.82
Options Exercisable	627	1,263	1,334
Options Exercisable, Weighted Avg. Exercise Price	$ 18.86	$ 17.11	$ 16.13
$4.58 to $10.97
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Range of Exercise Prices, minimum	$ 4.58
Options Outstanding, Range of Exercise Prices, maximum	$ 10.97
Options Outstanding	277
Weighted Avg Remaining Contractual Life	6 years 4 months 24 days
Options Outstanding, Weighted Avg. Exercise Price	$ 10.38
Options Exercisable	64
Options Exercisable, Weighted Avg. Exercise Price	$ 8.96
$11.53 to $12.87
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Range of Exercise Prices, minimum	$ 11.53
Options Outstanding, Range of Exercise Prices, maximum	$ 12.87
Options Outstanding	252
Weighted Avg Remaining Contractual Life	6 years 2 months 12 days
Options Outstanding, Weighted Avg. Exercise Price	$ 12.05
Options Exercisable	121
Options Exercisable, Weighted Avg. Exercise Price	$ 11.93
$13.45 to $23.49
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Range of Exercise Prices, minimum	$ 13.54
Options Outstanding, Range of Exercise Prices, maximum	$ 23.49
Options Outstanding	299
Weighted Avg Remaining Contractual Life	2 years 3 months 18 days
Options Outstanding, Weighted Avg. Exercise Price	$ 20.09
Options Exercisable	289
Options Exercisable, Weighted Avg. Exercise Price	$ 20.32
$24.25 to $28.425
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Range of Exercise Prices, minimum	$ 24.25
Options Outstanding, Range of Exercise Prices, maximum	$ 28.425
Options Outstanding	153
Weighted Avg Remaining Contractual Life	1 year 10 months 24 days
Options Outstanding, Weighted Avg. Exercise Price	$ 25.77
Options Exercisable	153
Options Exercisable, Weighted Avg. Exercise Price	$ 25.77