Stock Transactions and Stock-Based Compensation (Option Activity Under The Company's Stock Plans) (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, Options, Outstanding [Roll Forward]
Outstanding at beginning of year, Shares	27,372	32,454	34,820
Granted, Shares	3,749	4,268	3,807
Exercised, Shares	(5,077)	(8,133)	(4,488)
Cancelled/forfeited, Shares	(1,073)	(1,217)	(1,685)
Outstanding at end of year, Shares	24,971	27,372	32,454
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of year, Weighted Average Exercise Price	$ 37.94	$ 32.98	$ 30.31
Granted, Weighted Average Exercise Price	$ 64.73	$ 52.21	$ 50.02
Exercised, Weighted Average Exercise Price	$ 31.19	$ 25.25	$ 25.73
Cancelled/forfeited, Weighted Average Exercise Price	$ 47.35	$ 40.52	$ 35.62
Outstanding at end of year, Weighted Average Exercise Price	$ 42.93	$ 37.94	$ 32.98
Outstanding at December 31, 2013, Weighted Average Remaining Contractual Term	6 years
Outstanding at December 31, 2013, Aggregate Intrinsic Value	$ 855,821
Vested and Expected to Vest at December 31, 2013, Shares	24,301
Vested and Expected to Vest at December 31, 2013, Weighted Average Exercise Price	$ 42.54
Vested and Expected to Vest at December 31, 2013, Weighted Average Remaining Contractual Term	6 years
Vested and Expected to Vest at December 31, 2013, Aggregate Intrinsic Value	842,341
Vested as of December 31, 2013, Shares	13,203
Vested as of December 31, 2013, Weighted Average Exercise Price	$ 35.21
Vested as of December 31, 2013, Weighted Average Remaining Contractual Term	4 years
Vested as of December 31, 2013, Aggregate Intrinsic Value	$ 554,459