Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

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, 2015	294,342			$	35.91
Granted	26,430			61.74
Exercised	(30,060		)	31.20
Outstanding at June 30, 2015	290,712			38.74		4.83	$	10,828
Exercisable at June 30, 2015	232,431			34.45		3.88	$	9,655
Weighted-average fair value of
options granted during the year	$	25.08

Schedule of weighted-average assumptions used in valuing options

	Six Months Ended
	June 30,
	2015	2014
Dividend yield	1.40%	1.27%
Expected life	8.5 years	6.3 years
Expected volatility	40.9%	43.8%-44.7%
Risk-free interest rate	1.79%	2.10%

Summary of nonvested restricted stock

			Weighted-
			Average
			Grant-Date
Restricted Stock	Shares		Fair Value
Nonvested at January 1, 2015	228,907		$	37.44
Granted	30,605		67.86
Vested	(41,125	)	34.94
Nonvested at June 30, 2015	218,387		42.17

Summary of nonvested RSUs

		Weighted-
		Average
		Grant-Date
Restricted Stock Units	Shares	Fair Value
Nonvested at January 1, 2015	79,308	$	55.92
Granted	38,456	68.10
Nonvested at June 30, 2015	117,764	59.90