Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Stock-Based Compensation

Schedule of exercise prices for stock options outstanding and exercisable associated with employees

					Options Outstanding				Options Exercisable
					Number Oustanding as of December 31, 2017	Weighted- Average Remaining Contractual Life	Weighted- Average Exercise Price		Number Exercisable as of December 31, 2017	Weighted- Average Remaining Contractual Life	Weighted- Average Exercise Price
$	—	-	$	10.00	133,400	1.15	$	6.33	133,400	1.15	$	6.33
$	10.01	-	$	20.00	1,232,537	2.49	$	15.37	32,537	2.25	$	15.13
$	20.01	-	$	30.00	1,402,183	3.69	$	27.13	862,183	3.65	$	26.65
$	30.01	-	$	40.00	1,219,586	4.96	$	36.19	257,886	4.75	$	35.06
$	40.01	-	$	50.00	360,800	8.00	$	46.21	67,600	7.39	$	45.89
$	50.01	-	$	60.00	2,910,878	8.40	$	57.55	228,152	6.51	$	57.16
$	60.01	-	$	70.00	1,568,350	8.32	$	64.26	170,850	6.37	$	66.26
$	70.01	-	$	80.00	20,000	2.00	$	72.89	20,000	2.00	$	72.89
$	—	-	$	80.00	8,847,734	6.20	$	43.90	1,772,608	4.35	$	35.13

Schedule of stock option activity associated with employees

	For the Years Ended December 31,
	2017			2016			2015
	Options	Weighted- Average Exercise Price		Options	Weighted- Average Exercise Price		Options	Weighted- Average Exercise Price
Total options outstanding, beginning of period	7,913,733	$	36.22	6,807,169	$	31.17	10,214,344	$	25.29
Granted	3,468,626	$	59.66	1,901,000	$	54.41	452,000	$	69.11
Exercised	(505,125)	$	28.73	(403,834)	$	23.26	(1,731,975)	$	16.26
Forfeited and cancelled	(2,029,500)	$	44.64	(390,602)	$	50.28	(2,127,200)	$	23.12
Total options outstanding, end of period	8,847,734	$	43.90	7,913,733	$	36.22	6,807,169	$	31.17
Performance-based options outstanding, end of period (1)	5,490,626	$	42.81	4,312,000	$	31.39	3,904,500	$	28.03
Exercisable at end of period	1,772,608	$	35.13	1,883,533	$	29.98	1,927,069	$	26.87

(1) These stock options are included in the caption “Total options outstanding, end of period.”  See discussion of the 2008 LTIP, 2013 LTIP, 2017 LTIP and Other Employee Performance Awards below.

Schedule of realized tax benefits from stock awards exercised

	For the Years Ended December 31,
	2017		2016		2015
	(In thousands)
Tax benefit from stock awards exercised	$	9,347	$	5,006	$	33,716

Schedule of aggregate intrinsic value of stock options associated with employees

	As of December 31, 2017
	Options		Options
	Outstanding		Exercisable
	(In thousands)
Aggregate intrinsic value	$	88,990	$	28,175

Schedule of restricted stock unit activity

	For the Years Ended December 31,
	2017			2016			2015
	Restricted Stock Units/Awards		Weighted- Average Grant Date Fair Value	Restricted Stock Units/Awards		Weighted- Average Grant Date Fair Value	Restricted Stock Units/Awards		Weighted- Average Grant Date Fair Value
Total restricted stock units/awards outstanding, beginning of period	1,336,000	$	32.11	1,382,250	$	32.01	1,731,332	$	32.60
Granted	1,871,375	$	63.87	67,060	$	56.35	62,530	$	68.79
Vested	(14,845)	$	62.58	(60)	$	49.15	(125,280)	$	63.92
Forfeited and cancelled	(707,810)	$	48.59	(113,250)	$	45.12	(286,332)	$	29.67
Total restricted stock units/awards outstanding, end of period	2,484,720	$	51.16	1,336,000	$	32.11	1,382,250	$	32.01
Restricted Performance Units/Awards outstanding, end of period (1)	2,435,500	$	50.91	1,336,000	$	32.11	1,382,250	$	32.01

(1) These stock options are included in the caption “Total restricted stock units/awards outstanding, end of period.”  See discussion of the 2008 LTIP, 2013 LTIP, 2017 LTIP and Other Employee Performance Awards below.

Schedule of non-cash, stock-based compensation expense recognized

	For the Years Ended December 31,
Non-Cash, Stock-Based Compensation Expense Recognized	2017		2016		2015
	(In thousands)
2017 LTIP	$	10,640	$	—	$	—
2013 LTIP (1)		(321)		2,565		10,157
Other employee performance awards		7,549		1,424		1,694
Total non-cash, stock-based compensation expense recognized for performance-based awards	$	17,868	$	3,989	$	11,851

(1) “Non-Cash, Stock-Based Compensation Expense Recognized” includes forfeitures.

Schedule of unrecognized non-cash, stock-based compensation expense

Estimated Remaining Non-Cash, Stock-Based Compensation Expense	2017 LTIP		2013 LTIP		Other Employee Performance Awards
	(In thousands)
Expense estimated to be recognized during 2018	$	8,271	$	1,974	$	17,946
Estimated contingent expense subsequent to 2018		18,694		39,234		123,655
Total estimated remaining expense over the term of the plan	$	26,965	$	41,208	$	141,601

Schedule of awards outstanding pursuant to performance-based stock incentive plans

	As of December 31, 2017
Performance-Based Stock Options	Number of Awards	Weighted- Average Grant Price
2017 LTIP	2,545,626	$	59.38
2013 LTIP	1,205,000	$	41.78
Other employee performance awards	1,740,000	$	19.27
Total	5,490,626	$	42.81
Restricted Performance Units/Awards
2013 LTIP	602,500
Other employee performance awards	1,833,000
Total	2,435,500

Schedule of allocated non-cash, stock-based compensation expense for all employees

	For the Years Ended December 31,
	2017		2016		2015
	(In thousands)
Subscriber-related	$	3,323	$	694	$	2,164
General and administrative		26,618		12,343		17,035
Total non-cash, stock based compensation	$	29,941	$	13,037	$	19,199

Schedule of assumptions of Black-Scholes option valuation model

	For the Years Ended December 31,
Stock Options	2017							2016							2015
Risk-free interest rate		1.34	%	-		2.29	%		1.06	%	-		2.27	%		1.40	%	-		2.19	%
Volatility factor		22.25	%	-		26.15	%		26.12	%	-		33.37	%		26.42	%	-		36.22	%
Expected term of options in years		3.8		-		5.5			5.4		-		10.0			5.5		-		7.8
Weighted-average fair value of options granted	$	11.95		-	$	16.69		$	12.45		-	$	26.86		$	16.14		-	$	29.73