Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

The table below presents the impact of these revisions, including the related tax effect, on the Company's previously-filed financial statements.

	December 31, 2014
	As Previously Reported		Adjustments			As Revised
Balance Sheet Data:
Deferred tax assets (noncurrent)	$	266,869	$	22,152		$	289,021
Total assets	3,871,827		22,152			3,893,979
Additional paid-in capital	2,404,118		60,890			2,465,008
Retained earnings	255,382		(38,738		)	216,644
Total stockholders' equity	2,542,325		22,152			2,564,477
Total liabilities and stockholders' equity	3,871,827		22,152			3,893,979

	Three Months Ended September 30, 2014							Nine Months Ended September 30, 2014
	As Previously Reported		Adjustments			As Revised		As Previously Reported		Adjustments			As Revised
Consolidated Statement of Operations Data:
Selling, general, and administrative	$	149,748	$	(5,745	)	$	144,003	$	361,012	$	(17,052	)	$	343,960
Total operating expenses	543,069		(5,745		)	537,324		1,426,164		(17,052		)	1,409,112
Income from operations	182,719		5,745			188,464		591,064		17,052			608,116
Income before income taxes	176,078		5,745			181,823		554,460		17,052			571,512
Income tax expense	96,358		2,090			98,448		316,562		6,919			323,481
Net income	79,720		3,655			83,375		237,898		10,133			248,031
Net income per share - basic	$	0.79	$	0.04		$	0.83	$	2.37	$	0.10		$	2.47
Net income per share - diluted	$	0.70	$	0.03		$	0.73	$	2.10	$	0.09		$	2.19

	Nine Months Ended September 30, 2014
	As Previously Reported			Adjustments			As Revised
Consolidated Statement of Cash Flows Data:
Cash flows from operating activities
Net income	$	237,898		$	10,133		$	248,031
Non-cash compensation expense	225,784			(17,052		)	208,732
Deferred taxes	(50,466		)	6,919			(43,547		)

The table below presents the impact of these revisions, including the related tax effects, on previously filed year-end Consolidated Statements of Operations for the three months and year ended December 31, 2014.

	Three Months Ended December 31, 2014							Year Ended December 31, 2014
	As Previously Reported		Adjustments			As Revised		As Previously Reported		Adjustments			As Revised
Consolidated Statement of Operations Data:
Selling, general, and administrative	$	143,743	$	31,564		$	175,307	$	504,755	$	14,512		$	519,267
Total operating expenses	554,962		31,564			586,526		1,981,126		14,512			1,995,638
Income from operations	247,367		(31,564		)	215,803		838,431		(14,512		)	823,919
Income before income taxes	221,287		(31,564		)	189,723		775,747		(14,512		)	761,235
Income tax expense	111,111		(11,483		)	99,628		427,673		(4,564		)	423,109
Net income	110,176		(20,081		)	90,095		348,074		(9,948		)	338,126
Net income per share - basic	$	1.09	$	(0.20	)	$	0.89	$	3.46	$	(0.10	)	$	3.36
Net income per share - diluted	$	0.96	$	(0.18	)	$	0.78	$	3.07	$	(0.09	)	$	2.98