Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2012

Stock Incentive Plans (Tables) [Abstract]

Fair value of each option grant estimated on weighted-average assumptions:

	Year Ended
	December 31, 2012	December 31, 2011	December 31, 2010
Dividend yield	5.16%	5.74%	6.28%
Expected volatility	35.15%	34.80%	34.08%
Risk-free interest rate	1.48%	2.87%	3.23%
Expected life (in years)	7.0	7.0	7.0
Weighted-average fair value	$11.11	$9.60	$7.82

Summary of stock options activity

	Year Ended
	December 31, 2012			December 31, 2011			December 31, 2010
	Number of	Weighted		Number of	Weighted		Number of	Weighted
	Shares	Average		Shares	Average		Shares	Average
Stock Options	(000's)	Exercise Price		(000's)	Exercise Price		(000's)	Exercise Price
Options at beginning of year	1,252	$	42.12	1,207	$	39.45	1,062	$	37.71
Options granted	332		57.33	289		49.17	280		43.29
Options exercised	(341)		40.11	(232)		36.92	(129)		33.58
Options terminated	(81)		51.81	(12)		43.09	(6)		37.82
Options at end of period	1,162	$	46.40	1,252	$	42.12	1,207	$	39.45
Options exercisable at end of period	313	$	40.82	427	$	39.45	440	$	37.76
Weighted average fair value of
options granted during the period		$	11.11		$	9.60		$	7.82

		Options Outstanding					Options Exercisable
		Number	Weighted		Weighted Average		Number	Weighted		Weighted Average
		Outstanding	Average		Remaining		Exercisable	Average		Remaining
Range of Per Share Exercise Prices		(thousands)	Exercise Price		Contract Life		(thousands)	Exercise Price		Contract Life
$30-$40		271	$	36.80	6.3		132	$	36.58	5.5
$40-$50		593		45.31	7.7		181		43.90	6.3
$50+		298		57.33	10.0		-		-	-
Totals		1,162	$	$46.40	6.9		313	$	40.82	6.0
Aggregate intrinsic value	$	17,095,000				$	6,341,000

Non-vested stock incentive awards

	Stock Options			Restricted Stock
	Number of		Weighted-Average	Number of	Weighted-Average
	Shares		Grant Date	Shares	Grant Date
	(000's)		Fair Value	(000's)	Fair Value
Non-vested at December 31, 2011	825	$	7.40	508	$	44.91
Vested	(211)		6.96	(228)		47.38
Granted	332		11.11	404		57.31
Terminated	(97)		7.29	(83)		42.75
Non-vested at December 31, 2012	849	$	8.97	601	$	52.60