STOCK PLANS (Tables)

12 Months Ended

Dec. 31, 2011

STOCK PLANS

Summary of stock option activity

	Year Ended December 31,
	2011					2010					2009
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Balance at beginning of year		3,779,824		$	23.99		3,596,884		$	22.28		3,110,978		$	21.37
Options granted		459,263			35.34		491,010			31.29		583,660			26.31
Options exercised		(572,795	)		19.82		(260,084	)		13.49		(59,102	)		11.92
Options canceled		(33,829	)		26.62		(47,986	)		27.84		(38,652	)		25.75
Balance at end of year		3,632,463			26.05		3,779,824			23.99		3,596,884			22.28
Exercisable at end of year		2,677,071			23.73		2,749,168			22.40		2,668,692			20.91

Weighted average assumptions used for estimating fair value of options granted

	Year Ended December 31,
	2011		2010		2009
Expected volatility		41.92%		42.15%		40.48%
Dividend yield		1.63%		2.02%		2.15%
Risk-free interest rate		0.80%		1.64%		2.04%
Expected option life (years)		4.3		4.9		4.7
Weighted average fair value per option granted during the year	$	10.97	$	10.01	$	8.03

Summary of nonvested stock options

	Year Ended December 31, 2011
	Number of Options			Weighted Average Fair Value at Grant Date
Balance at beginning of year		980,926		$	8.74
Granted		459,263			12.02
Vested		(483,245	)		7.95
Forfeited		(27,562	)		8.39
Balance at end of year		929,382			10.78

Summary of information about awards outstanding, by exercise price range

	Outstanding				Exercisable
Exercise Price Range	Number of Stock Options		Weighted Average Exercise Price		Number of Stock Options		Weighted Average Exercise Price		Weighted Average Remaining Life (years)
Under $17.50		341,076	$	12.59		341,076	$	12.59		1.6
$17.50 - $20.00		755,547		18.88		755,547		18.88		3.4
Over $20.00		2,535,840		30.00		1,580,448		28.46		7.6
		3,632,463				2,677,071				6.2

Summary of restricted share award activity

	Year Ended December 31,
	2011					2010					2009
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Balance at beginning of year		523,730		$	27.36		435,770		$	26.61		321,056		$	25.68
Shares granted		22,779			35.55		112,864			31.05		188,950			26.30
Shares vested*		(159,842	)		26.97		(24,904	)		31.07		(74,236	)		21.82
Shares forfeited		(7,434	)		24.67		–			–		–			–
Balance at end of year		379,233			28.06		523,730			27.36		435,770			26.61

*

Includes shares vested but not exercisable

Summary of nonvested restricted shares awards

	Year Ended December 31, 2011
	Number of Restricted Shares			Weighted Average Fair Value at Grant Date
Balance at beginning of year		492,430		$	27.36
Granted		22,779			35.55
Vested		(151,842	)		26.79
Forfeited		(7,434	)		24.67
Balance at end of year		355,933			28.18

Summary of restricted stock unit activity

	Year Ended December 31, 2011
	Units		Weighted Average Grant Date Fair Value
Nonvested at beginning of year		–	$	–
Units granted		166,519		34.55
Units vested		–		–
Units canceled		–		–
Nonvested at end of year		166,519		34.55