Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Share-Based Compensation Plans [Abstract]

Assumptions Used In Calculating The Fair Value Of Options Granted


	Years Ended December 31,
	2012	2011	2010
Weighted-average volatility	26.16%	26.46%	26.82%
Weighted-average dividend yield	2.00%	2.00%	2.00%
Weighted-average expected term	6.69 years	6.73 years	6.74 years
Weighted-average risk-free rate	1.33%	2.80%	3.04%

Company's Shareholder Approved And Non-Approved Plans

Compensation plans approved by shareholders:

					Weighted-
			Weighted-		Average
			Average		Remaining		Aggregate
(Aggregate Intrinsic Value in thousands)			Exercise		Contractual		Intrinsic
Options	Shares		Price/Share		Term		Value
Outstanding at January 1, 2012		2,316,276	$	84.39
Granted		320,454		88.35
Exercised		581,496		76.51
Forfeited/Cancelled/Expired		43,070		86.56
Outstanding at December 31, 2012		2,012,164		87.25		6.0	$	44,053

Exercisable at December 31, 2012		995,070		90.09		4.4	$	18,956

					Weighted-
			Weighted-		Average
			Average		Remaining		Aggregate
(Aggregate Intrinsic Value in thousands)			Exercise		Contractual		Intrinsic
Options	Shares		Price/Share		Term		Value
Outstanding at January 1, 2011		2,657,796	$	81.16
Granted		345,600		86.68
Exercised		477,320		66.12
Forfeited/Cancelled/Expired		209,800		88.91
Outstanding at December 31, 2011		2,316,276		84.39		6.0	$	12,121

Exercisable at December 31, 2011		1,229,481		84.94		4.4	$	7,920

					Weighted-
			Weighted-		Average
			Average		Remaining		Aggregate
(Aggregate Intrinsic Value in thousands)			Exercise		Contractual		Intrinsic
Options	Shares		Price/Share		Term		Value
Outstanding at January 1, 2010		2,418,756	$	79.86
Granted		384,890		84.63
Exercised		78,730		52.35
Forfeited/Cancelled/Expired		67,120		87.75
Outstanding at December 31, 2010		2,657,796		81.16		5.8	$	22,309

Exercisable at December 31, 2010		1,479,176		79.33		3.9	$	15,773

Compensation plans not approved by shareholders:

					Weighted-
			Weighted-		Average
			Average		Remaining		Aggregate
(Aggregate Intrinsic Value in thousands)			Exercise		Contractual		Intrinsic
Options	Shares		Price/Share		Term		Value
Outstanding at January 1, 2012		-	$	-
Granted		-		-
Exercised		-		-
Forfeited/Cancelled/Expired		-		-
Outstanding at December 31, 2012		-		-		0.0	$	-

Exercisable at December 31, 2012		-		-		0.0	$	-

					Weighted-
			Weighted-		Average
			Average		Remaining		Aggregate
(Aggregate Intrinsic Value in thousands)			Exercise		Contractual		Intrinsic
Options	Shares		Price/Share		Term		Value
Outstanding at January 1, 2011		20,000	$	48.01
Granted		-		-
Exercised		20,000		48.01
Forfeited/Cancelled/Expired		-		-
Outstanding at December 31, 2011		-		-		0.0	$	-

Exercisable at December 31, 2011		-		-		0.0	$	-

					Weighted-
			Weighted-		Average
			Average		Remaining		Aggregate
(Aggregate Intrinsic Value in thousands)			Exercise		Contractual		Intrinsic
Options	Shares		Price/Share		Term		Value
Outstanding at January 1, 2010		37,500	$	43.48
Granted		-		-
Exercised		17,500		38.30
Forfeited/Cancelled/Expired		-		-
Outstanding at December 31, 2010		20,000		48.01		0.7	$	742

Exercisable at December 31, 2010		20,000		48.01		0.7	$	742

Share Options Outstanding And Exercisable


		At December 31, 2012
		Options Outstanding						Options Exercisable
				Weighted-
				Average		Weighted-				Weighted-
		Number		Remaining		Average		Number		Average
Range of		Outstanding		Contractual		Exercise		Exercisable		Exercise
Exercise Prices		at 12/31/12		Life		Price		at 12/31/12		Price
$	66.0780- $77.0910		464,810		4.8	$	72.40		256,530	$	72.96
$	77.0911- $88.1040		566,050		7.6		85.66		125,650		85.33
$	88.1041- $99.1170		717,550		5.9		93.53		406,650		97.50
$	99.1171- $110.1300		263,754		5.1		99.72		206,240		99.70
			2,012,164		6.0		87.25		995,070		90.09

Summary Of Company's Non-Vested Shares And Changes


	Years Ended December 31,
	2012				2011				2010
			Weighted-				Weighted-				Weighted-
			Average				Average				Average
			Grant Date				Grant Date				Grant Date
Restricted (non-vested) Shares	Shares		Fair Value		Shares		Fair Value		Shares		Fair Value
Outstanding at January 1,		372,453	$	85.12		250,125	$	84.09		200,446	$	82.45
Granted		310,370		92.46		226,700		86.15		150,055		84.66
Vested		313,573		89.30		69,872		85.61		58,376		86.62
Forfeited		11,500		84.17		34,500		83.39		42,000		74.79
Outstanding at December 31,		357,750		87.86		372,453		85.12		250,125		84.09

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References+ Details

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References+ Details