Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

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

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The weighted-average assumptions used to estimate the fair market value of stock options were as follows:

	For the Years Ended
	2016		2015		2014
Expected volatility (%)	29.4	%	27.6	%	29.7	%
Expected term (yrs)	7		7		9
Risk-free rate (%)	1.5	%	1.8	%	2.9	%

Schedule Of Stock Options Activity

Stock option activity for 2016 was as follows:

(In thousands, except per share data)	Number of Shares		Weighted- Average Exercise  Price		Aggregate Intrinsic  Value		Weighted-Average       Remaining       Contractual  Term (Yrs)
Outstanding at beginning of year	24,267		$	34.46
Granted	4,133		55.14
Exercised	(4,053	)	17.46
Forfeited and expired	(746	)	55.71
Outstanding at end of year	23,601		40.33		$	280,586	6.00
Exercisable at end of year	12,662		$	26.19	$	275,484	4.14

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

	For the Years Ended
(In thousands, except for grant date fair values)	2016		2015		2014
Weighted-average grant date fair values	$	18.31	$	21.51	$	22.59
Total intrinsic value of options exercised	$	177,375	$	196,127	$	124,828
Cash received from exercise of stock options	63,794		51,475		31,879
Tax benefit realized upon exercise of stock options	64,347		66,868		44,029

Schedule Of Non-Vested Shares Activity

Non-vested share activity for 2016 was as follows:

(In thousands, except per share data)	Number of Shares		Weighted-Average Grant Date Fair Value
Outstanding at beginning of year	557		$	59.42
Granted	58		57.22
Vested	(216	)	53.74
Forfeited	(45	)	70.37
Outstanding at end of year	354		$	61.12

	For the Years Ended
(In thousands, except for grant date fair values)	2016		2015		2014
Weighted average grant date fair values for shares granted during the year	$	57.22	$	68.57	$	55.27
Total fair value of shares vested during the year	$	12,221	$	13,730	$	11,294

Compensation Expense Recognized In The Condensed Consolidated Statements Of Operations

The amounts recognized in the consolidated statements of operations with respect to stock options, non-vested shares and ASPP are as follows:

	For the Years Ended
(In thousands)	2016			2015			2014
Stock option and non-vested share compensation expense	$	74,536		$	70,121		$	59,292
Associate stock purchase plan expense	6,537			5,393			4,603
Amounts capitalized in software development costs, net of amortization	(482		)	(588		)	(930		)
Amounts charged against earnings, before income tax benefit	$	80,591		$	74,926		$	62,965
Amount of related income tax benefit recognized in earnings	$	24,749		$	23,435		$	22,101