Shareholders' Equity

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Shareholders' Equity

8. 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, 2014	$	206	$	1,325,495		$	4,887,187	$	(5,088,633	)	$	(17,333	)	$	17,333	$	1,124,255
Net income		—		—			39,058		—			—			—		39,058
Purchase of common stock for treasury		—		—			—		(63,099	)		—			—		(63,099	)
Equity-based compensation		—		13,399			—		—			—			—		13,399
Tax benefit from equity benefit plan   activity		—		7,998			—		—			—			—		7,998
Proceeds from stock options exercised		—		43,626			—		—			—			—		43,626
Treasury stock issued upon option   exercise and restricted share vesting		—		(19,755	)		—		19,755			—			—		—
Balance, March 31, 2015	$	206	$	1,370,763		$	4,926,245	$	(5,131,977	)	$	(17,333	)	$	17,333	$	1,165,237

The Company repurchased 50 shares of its common stock during the three months ended March 31, 2015. The Company settles option exercises and vesting of restricted share units by issuing shares of treasury stock.  Approximately 64 shares were issued from the treasury account during the first quarter of 2015 in settlement of 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.