Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2010

Stock Incentive Plans (Tables) [Abstract]

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

	Year Ended
	December 31, 2010			December 31, 2009			December 31, 2008
Dividend yield(1)		6.28	%		7.35	%		6.47	%
Expected volatility		34.08	%		29.40	%		20.50	%
Risk-free interest rate		3.23	%		2.33	%		3.42	%
Expected life (in years)		7.0			7.0			6.5
Weighted-average fair value(1)	$	7.82		$	4.38		$	6.25

(1) Certain options granted to employees in 2008 include dividend equivalent rights. The fair value of options with DERs also includes the net present value of projected future dividend payments over the expected life of the option discounted at the dividend yield rate.

Summary of stock options activity

	Year Ended
	December 31, 2010					December 31, 2009					December 31, 2008
	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		1,062		$	$37.71		817		$	38.29		637		$	35.54
Options granted		280			43.29		366			37.00		307			40.83
Options exercised		(129	)		33.58		(96	)		38.22		(119	)		29.83
Options terminated		(6	)		37.82		(25	)		44.50		(8	)		42.00
Options at end of period		1,207		$	$39.45		1,062		$	$37.71		817		$	$38.29
Options exercisable at end of period		440		$	37.76		388		$	35.85		281		$	33.94
Weighted average fair value of options granted during the period				$	$7.82				$	$4.38				$	$6.25

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, 2009		675		$	5.44		405		$	40.26
Vested		(181	)		5.91		(232	)		42.02
Granted		280			7.82		249			43.28
Terminated		(6	)		7.06		(2	)		38.07
Non-vested at December 31, 2010		768		$	6.19		420		$	41.09

Summary of stock options outstanding

	Options Outstanding						Options Exercisable
					Weighted						Weighted
	Number		Weighted		Average		Number		Weighted		Average
	Outstanding		Average		Remaining		Exercisable		Average		Remaining
Range of Per Share Exercise Prices	(thousands)		Exercise Price		Contract Life		(thousands)		Exercise Price		Contract Life
$20-$30		31	$	25.67		2.7		31	$	25.67		2.7
$30-$40		575		36.70		7.5		264		36.38		5.9
$40+		601		42.80		8.8		145		42.90		7.6
Totals		1,207	$	$39.45		8.0		440	$	$37.76		6.2
Aggregate intrinsic value	$	9,892,000					$	4,344,000