Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Weighted-Average Assumptions used in Option Pricing Model

The following table presents the weighted-average assumptions used in the option pricing model for the periods indicated:

Years ended December 31,	2012		2011		2010
Expected volatility	37.46	%	36.36	%	35.66	%
Expected dividend yield	3.35	%	3.17	%	2.98	%
Risk-free interest rate	1.99	%	3.05	%	3.08	%
Expected life of options (in years)	7.85		7.97		7.70

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes stock option activity under the Company’s active stock option plans for the year ended December 31, 2012:

	Number of Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contract Life
Outstanding options, beginning of year	3,484,928		$	16.26
Granted	369,766		14.33
Exercised	(376,634	)	11.38
Forfeited	(27,442	)	14.42
Expired	(76,963	)	16.75
Outstanding options, end of year	3,373,655		$	16.60	5.02 years
Outstanding options exercisable, end of year	2,756,441		$	17.10	4.23 years

Schedule of Nonvested Share Activity

Information with respect to the Company’s nonvested stock options as of and for the year ended December 31, 2012 follows:

	Number of Shares		Weighted-Average Grant Date Fair Value
Nonvested stock options, beginning of year	588,236		$	3.71
Granted	369,766		4.06
Vested	(313,346	)	3.13
Forfeited	(27,442	)	4.12
Nonvested stock options, end of year	617,214		$	4.20

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

The following table presents information regarding the Company’s restricted stock as of December 31, 2012:

	Number of Shares		Weighted-Average Measurement Date Fair Value
Restricted stock, beginning of year	190,770		$	14.57
Granted	122,912		14.37
Vested	(67,720	)	14.82
Forfeited	(8,276	)	14.69
Canceled	(6,956	)	15.00
Restricted stock, end of year	230,730		$	14.38