Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

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

Schedule of share-based compensation expenses

 Total share-based compensation expenses were as follows (in thousands):

	For the Years Ended December 31,
	2019		2018		2017
Option awards	$	21,847	$	23,393	$	18,423
Other share-based awards	48,002		28,513		28,844
Total share-based compensation before tax	69,849		51,906		47,267
Tax benefit	16,624		12,354		17,555
Total share-based compensation expense included in net income	$	53,225	$	39,552	$	29,712

Schedule of stock option activity

The following summarizes stock option activity and the weighted average exercise price for the Omnibus Plan for the year ended December 31, 2019:

	Omnibus Plan (Active)
	Options Outstanding		Weighted Average Exercise Price
Balance as of December 31, 2018	4,575,926		$	99.53
Granted	1,460,602		86.21
Exercised	(166,008	)	65.90
Forfeited	(216,262	)	105.95
Balance as of December 31, 2019	5,654,258		$	96.83
Vested or expected to vest as of December 31, 2019	5,654,258		$	96.83
Options exercisable as of December 31, 2019	2,802,466		$	103.08

Schedule of weighted average fair value

The following assumptions were used to estimate the weighted average fair value of options of $19.54, $26.50 and $18.45 granted during the years ended December 31, 2019, 2018 and 2017, respectively:

	For the Years Ended December 31,
	2019		2018		2017
Weighted-average volatility	32	%	30	%	29	%
Expected dividend yield	2.9	%	2.1	%	2.6	%
Expected term (in years)	4.5		4.4		4.7
Weighted average risk free interest rate	2.5	%	2.6	%	1.9	%

Schedule of restricted stock activity

The following table summarizes restricted stock activity for the year ended December 31, 2019:

	Shares Outstanding		Weighted Average Grant Price
Balance as of December 31, 2018	1,641,197		$	92.19
Granted	545,365		89.75
Vested	(314,555	)	90.39
Canceled/Forfeited	(485,998	)	76.36
Balance as of December 31, 2019	1,386,009		$	96.92
Expected to vest as of December 31, 2019	1,397,750		$	96.79