Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Share-Based Compensation

Schedule of stock option activity

						Weighted-
				Weighted-		Average
				Average		Remaining	Aggregate
	Number of			Exercise		Contractual	Intrinsic
Options	Shares			Price		Life (Yrs.)	Value (000’s)
Outstanding at January 1, 2013	340,140			$	31.79
Granted	23,007			41.45
Exercised	(18,211		)	28.34
Expired/Forfeited	(1,444		)	22.13
Outstanding at March 31, 2013	343,492			32.66		4.99	$	6,095
Exercisable at March 31, 2013	280,629			32.04		4.18	$	5,153
Weighted-average fair value of options granted during the year	$	15.66

Schedule of weighted-average assumptions used in valuing options

	Three Months Ended
	March 31,
	2013	2012
Dividend yield	1.70%	2.10%
Expected life	6 years	6 years
Expected volatility	42%	46%
Risk-free interest rate	1.02%	1.06%

Summary of nonvested restricted stock

			Weighted-
			Average
			Grant-Date
Restricted Stock	Shares		Fair Value
Nonvested at January 1, 2013	172,847		$	30.84
Granted	68,308		41.45
Vested	(4,523	)	32.34
Nonvested at March 31, 2013	236,632		33.87

Summary of nonvested RSUs

		Weighted-
		Average
		Grant-Date
Restricted Stock Units	Shares	Fair Value
Nonvested at January 1, 2013	—	$	—
Granted	36,876	50.45
Nonvested at March 31, 2013	36,876	50.45