Share-Based Payment Arrangements (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Option Activity Under Stock Option Plans

A summary of option activity for 2012 is presented below:

Options	Number of Shares			Weighted- Average Exercise Price ($)		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2012		1,686,907		$	41.05
Granted		152,140			29.73
Exercised		(73,275	)		22.36
Forfeited or expired		(210,476	)		57.69
Outstanding at December 31, 2012		1,555,296		$	38.57		5.3	$	1,112
Exercisable at December 31, 2012		1,056,172		$	41.75		3.8	$	526

Stock Options, Valuation Assumption

The risk-free rate for periods within the contractual life of the option was based on the U.S. Treasury yield curve in effect at the time of grant.

	Years Ended December 31,
	2012			2011			2010
Expected volatility		38.64	%		38.90	%		40.53	%
Expected dividends		3.23	%		3.20	%		2.90%-2.99	%
Expected term (in years)		6.58			6.38			9.55
Risk-free rates		1.78	%		1.99	%		2.73%-3.33	%

Schedule of Nonvested Restricted and Performance Shares

A summary of the status of the Company’s nonvested restricted and performance shares as of December 31, 2012, and changes during 2012, is presented below:

	Number of Shares			Weighted- Average Grant-Date Fair Value ($)
Nonvested at January 1, 2012		957,536		$	33.61
Granted		890,744			29.62
Vested		(73,598	)		39.69
Forfeited		(90,322	)		32.33
Nonvested at December 31, 2012		1,684,360		$	31.30