STOCK BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2011

STOCK BASED COMPENSATION

Schedule of stock option activity

					Weighted
			Weighted		Average	Aggregate
	Number of		Average		Remaining	Intrinsic
	Options		Exercise		Contractual	Value
	Outstanding		Price		Life	(in 000’s)
Outstanding options at January 1, 2011	1,524,982		$	41.32
Options granted	254,450		$	58.97
Options exercised	(422,457	)	$	33.34		$	11,220
Options canceled/forfeited	(24,350	)	$	45.84
Outstanding options at September 30, 2011	1,332,625		$	47.14	5.96	$	21,910
Exercisable options at September 30, 2011	628,725		$	43.62	5.07	$	12,551

					Weighted
			Weighted		Average	Aggregate
	Number of		Average		Remaining	Intrinsic
	Options		Exercise		Contractual	Value
	Outstanding		Price		Life	(in 000’s)
Outstanding options at January 1, 2010	1,583,803		$	44.73
Options granted	203,200		$	55.95
Options exercised	(218,645	)	$	32.91		$	4,914
Options canceled/forfeited	(42,864	)	$	46.78
Outstanding options at September 30, 2010	1,525,494		$	47.87	5.97	$	13,353
Exercisable options at September 30, 2010	841,473		$	44.30	5.02	$	10,370

Schedule of stock option assumptions for fair value estimate

	2011			2010
Weighted-average fair value of grants	$	12.97		$	13.37
Risk-free interest rates	2.22		%	2.68		%
Dividend yield	1.89		%	1.74		%
Expected volatility	25.67		%	25.91		%
Expected option life	5.50 years			5.57 years