Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

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


	Common Stock		Additional Paid-In- Capital			Retained Earnings		Treasury Stock			Deferred Compensation Trust			Deferred Compensation Liability			Total
Balance, December 31, 2012	$	206	$	1,169,699		$	4,339,080	$	(4,028,508	)	$	(25,331	)	$	25,331		$	1,480,477

Net income		—		—			35,041		—			—			—			35,041
Deferred compensation activity		—		—			—		—			7,467			(7,467	)		—
Equity-based compensation		—		8,063			—		—			—			—			8,063
Tax benefit from equity benefit plan activity		—		23,099			—		—			—			—			23,099
Proceeds from stock options exercised		—		5,412			—		—			—			—			5,412
Treasury stock issued upon option exercise and restricted share vesting		—		(21,312	)		—		21,312			—			—			—

Balance, March 31, 2013	$	206	$	1,184,961		$	4,374,121	$	(4,007,196	)	$	(17,864	)	$	17,864		$	1,552,092