Shareholders' Equity

3 Months Ended

Mar. 31, 2012

Shareholders' Equity [Abstract]

Stockholders' Equity

7. 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		—		—			20,123		—			—			—			20,123
Deferred compensation activity		—		—			—		—			250			(250	)		—
Equity-based compensation		—		16,440			—		—			—			—			16,440
Tax benefit from equity benefit plan activity		—		876			—		—			—			—			876
Proceeds from stock options exercised		—		6,003			—		—			—			—			6,003
Treasury stock issued upon option exercise		—		(21,883	)		—		21,883			—			—			—
Balance, March 31, 2012	$	206	$	1,074,215		$	4,178,615	$	(3,834,795	)	$	(25,331	)	$	25,331		$	1,418,241

The Company did not repurchase any shares of its common stock during the three months ended March 31, 2012. The Company settles share issuances under equity benefit plans by issuing shares of treasury stock. Approximately 88,000 shares were issued from the treasury account during the first quarter of 2012 for option exercises and vesting of restricted share units. Shares are relieved from the treasury account based on the weighted average cost basis of treasury shares acquired.