Statement of Changes in Equity (Tables)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Schedule of Stockholders Equity

The following tables presents the changes in total stockholders' equity during the three and nine months ended September 30, 2018 (in thousands):

	Common Stock			Additional Paid In Capital		Retained Earnings		Accumulated Other Comprehensive (loss) income			Common Stock in Treasury					Total Equity
	Shares	Amount									Shares		Amount
Balance at June 30, 2018	307,662	$	308	$	5,116,339	$	3,893,354	$	(18,718	)	(172,244	)	$	(8,355,107	)	$	636,176
Shares issued under stock-based compensation plans	110	—		50		—		—			—		—			50
Stock-based compensation expense	—	—		52,739		—		—			—		—			52,739
Temporary equity reclassification	—	—		8,796		—		—			—		—			8,796
Common stock issued under employee stock purchase plan	209	—		16,004		—		—			—		—			16,004
Stock repurchases, net	—	—		—		—		—			(1,046	)	(116,175		)	(116,175		)
Restricted shares turned in for tax withholding	—	—		—		—		—			(32	)	(3,654		)	(3,654		)
Other comprehensive income, net of tax	—	—		—		—		427			—		—			427
Net income	—	—		—		158,857		—			—		—			158,857
Balance at September 30, 2018	307,981	$	308	$	5,193,928	$	4,052,211	$	(18,291	)	(173,322	)	$	(8,474,936	)	$	753,220

	Common Stock			Additional Paid In Capital			Retained Earnings		Accumulated Other Comprehensive (loss) income			Common Stock in Treasury					Total Equity
	Shares	Amount										Shares		Amount
Balance at December 31, 2017	305,751	$	306	$	4,883,670		$	3,509,484	$	(10,806	)	(162,044	)	$	(7,390,193	)	$	992,461
Shares issued under stock-based compensation plans	1,769	2		162			—		—			—		—			164
Stock-based compensation expense	—	—		145,920			—		—			—		—			145,920
Temporary equity reclassification	—	—		(19,286		)	—		—			—		—			(19,286		)
Common stock issued under employee stock purchase plan	461	—		33,462			—		—			—		—			33,462
Stock repurchases, net	—	—		150,000			—		—			(10,708	)	(1,031,154		)	(881,154		)
Restricted shares turned in for tax withholding	—	—		—			—		—			(570	)	(53,589		)	(53,589		)
Other comprehensive income, net of tax	—	—		—			—		(7,485		)	—		—			(7,485		)
Cumulative-effect adjustment from adoption of accounting standards	—	—		—			132,778		—			—		—			132,778
Net income	—	—		—			409,949		—			—		—			409,949
Balance at September 30, 2018	307,981	$	308	$	5,193,928		$	4,052,211	$	(18,291	)	(173,322	)	$	(8,474,936	)	$	753,220

The following tables presents the changes in total stockholders' equity during the three and nine months ended September 30, 2017 (in thousands):

	Common Stock			Additional Paid In Capital		Retained Earnings		Accumulated Other Comprehensive (loss) income			Common Stock in Treasury					Total Equity
	Shares	Amount									Shares		Amount
Balance at June 30, 2017	304,891	$	305	$	4,922,187	$	3,663,732	$	(8,779	)	(153,687	)	$	(6,695,744	)	$	1,881,701
Shares issued under stock-based compensation plans	259	—		603		—		—			—		—			603
Stock-based compensation expense	—	—		46,631		—		—			—		—			46,631
Common stock issued under employee stock purchase plan	286	—		25,433		—		—			—		—			25,433
Stock repurchases, net	—	—		—		—		—			(985	)	(74,956		)	(74,956		)
Restricted shares turned in for tax withholding	—	—		—		—		—			(135	)	(10,633		)	(10,633		)
Other comprehensive income, net of tax	—	—		—		—		112			—		—			112
Net income	—	—		—		126,720		—			—		—			126,720
Balance at September 30, 2017	305,436	$	305	$	4,994,854	$	3,790,452	$	(8,667	)	(154,807	)	$	(6,781,333	)	$	1,995,611

	Common Stock			Additional Paid In Capital			Retained Earnings			Accumulated Other Comprehensive (loss) income			Common Stock in Treasury					Total Equity
	Shares	Amount											Shares		Amount
Balance at December 31, 2016	302,851	$	303	$	4,761,588		$	4,010,737		$	(28,704	)	(146,552	)	$	(6,135,197	)	$	2,608,727
Shares issued under stock-based compensation plans	2,299	2		2,091			—			—			—		—			2,093
Stock-based compensation expense	—	—		121,405			—			—			—		—			121,405
Temporary equity reclassification	—	—		79,494			—			—			—		—			79,494
Common stock issued under employee stock purchase plan	286	—		25,433			—			—			—		—			25,433
Stock repurchases, net	—	—		—			—			—			(7,384	)	(574,957		)	(574,957		)
Restricted shares turned in for tax withholding	—	—		—			—			—			(871	)	(71,179		)	(71,179		)
Cumulative-effect adjustment from adoption of accounting standard on stock-based compensation	—	—		5,691			(5,303		)	—			—		—			388
Distribution of the net assets of the GoTo Business	—	—		—			(478,152		)	13,400			—		—			(464,752		)
Other comprehensive income, net of tax	—	—		—			—			6,637			—		—			6,637
Other	—	—		(848		)	—			—			—		—			(848		)
Net income	—	—		—			263,170			—			—		—			263,170
Balance at September 30, 2017	305,436	$	305	$	4,994,854		$	3,790,452		$	(8,667	)	(154,807	)	$	(6,781,333	)	$	1,995,611