Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2012

Summary of Changes in Shareholders' Equity

A summary of changes in shareholders’ equity is presented below:

	Common Stock		Additional Paid-In- Capital			Retained Earnings		Treasury Stock			Deferred Comp. Trust			Deferred Comp. Liability			Total
Balance, December 31, 2011	$	206	$	1,072,779		$	4,158,492	$	(3,856,678	)	$	(25,581	)	$	25,581		$	1,374,799
Net income		—		—			119,961		—			—			—			119,961
Deferred compensation activity		—		—			—		—			250			(250	)		—
Purchase of common stock for treasury		—		—			—		(220,128	)		—			—			(220,128	)
Equity-based compensation		—		50,136			—		—			—			—			50,136
Tax benefit from equity benefit plan activity		—		5,687			—		—			—			—			5,687
Proceeds from stock options exercised		—		48,853			—		—			—			—			48,853
Treasury stock issued upon option exercise and restricted share vesting		—		(43,149	)		—		43,149			—			—			—
Balance, September 30, 2012	$	206	$	1,134,306		$	4,278,453	$	(4,033,657	)	$	(25,331	)	$	25,331		$	1,379,308