Shareholders' Equity

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Shareholders' Equity

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, 2017	$	206	$	1,644,197		$	6,231,940	$	(6,270,851	)	$	(17,383	)	$	17,383		$	1,605,492
Cumulative-effect adjustment from adoption of ASU 2014-09, net of tax	—		—			2,196		—			—			—			2,196
Net income	—		—			369,223		—			—			—			369,223
Deferred compensation activity, net	—		—			—		—			235			(235		)	—
Purchase of common stock for treasury	—		—			—		(483,538		)	—			—			(483,538		)
Equity-based compensation	—		28,104			—		—			—			—			28,104
Proceeds from Options exercised	—		86,094			—		—			—			—			86,094
Treasury stock issued upon option exercise and restricted share vesting	—		(36,699		)	—		36,699			—			—			—
Balance, June 30, 2018	$	206	$	1,721,696		$	6,603,359	$	(6,717,690	)	$	(17,148	)	$	17,148		$	1,607,571

The Company repurchased approximately 158 shares of its common stock during the six months ended June 30, 2018. The Company settles Option exercises and vesting of RSUs by issuing shares of treasury stock.  Approximately 96 shares were issued from the treasury account during the six months ended June 30, 2018 in settlement of Option exercises and vesting of RSUs.  Shares are relieved from the treasury account based on the weighted average cost basis of treasury shares acquired.