Stock Transactions and Stock-Based Compensation (RSU And Restricted Stock Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested at beginning of year, Number of RSUs/Restricted Shares (in Thousands)	5,585	5,979	5,153
Granted, Number of RSUs/Restricted Shares (in Thousands)	1,588	1,776	1,628
Vested, Number of RSUs/Restricted Shares (in Thousands)	(1,417)	(1,704)	(405)
Forfeited, Number of RSUs/Restricted Shares (in Thousands)	(538)	(466)	(397)
Unvested at end of year, Number of RSUs/Restricted Shares (in Thousands)	5,218	5,585	5,979
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Unvested at beginning of year, Weighted Average Grant-Date Fair Value	$ 43.29	$ 37.72	$ 33.77
Granted, Weighted-Average Grant-Date Fair Value	$ 64.83	$ 52.26	$ 49.96
Vested, Weighted-Average Grant-Date Fair Value	$ 38.66	$ 34.86	$ 35.81
Forfeited, Weighted-Average Grant-Date Fair Value	$ 43.90	$ 36.84	$ 38.59
Unvested at end of year, Weighted Average Grant-Date Fair Value	$ 51.04	$ 43.29	$ 37.72