Shareholders' Equity

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Shareholders' Equity

9. Shareholders’ Equity

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		—		—			85,731		—			—			—			85,731
Deferred compensation activity		—		—			—		—			7,590			(7,590	)		—
Purchase of common stock for treasury		—		—			—		(294,979	)		—			—			(294,979	)
Equity-based compensation		—		18,652			—		—			—			—			18,652
Tax benefit from equity benefit plan activity		—		23,727			—		—			—			—			23,727
Proceeds from stock options exercised		—		6,671			—		—			—			—			6,671
Treasury stock issued upon option exercise and restricted share vesting		—		(22,364	)		—		22,364			—			—			—
Balance, June 30, 2013	$	206	$	1,196,385		$	4,424,811	$	(4,301,123	)	$	(17,741	)	$	17,741		$	1,320,279

The Company repurchased 300,086 shares of its common stock during the six months ended June 30, 2013 at an aggregate purchase price of $294,979. The Company settles Option exercises and vesting of RSUs by issuing shares of treasury stock to Option or RSU holders. Approximately 87,000 shares were issued from the treasury account during the six months ended June 30, 2013 for Option exercises and vesting of RSUs. Shares are relieved from the treasury account based on the weighted average cost basis of treasury shares acquired.