Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Summary of stock option activity

The following is a summary of stock option activity in 2019:

	Shares (000’s)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)	Intrinsic Value ($000’s)
Outstanding as of December 31, 2018	4,783		$	59.20
Options granted	—		—
Options exercised	(700	)	51.68
Options forfeited	(6	)	60.50
Options expired	—		—
Outstanding as of December 31, 2019	4,077		60.49		5.7	$	7,379
Exercisable as of December 31, 2019	4,014		60.49		5.7	$	7,415

Summary of status of nonvested restricted stock and restricted stock units and changes during the year

A summary of the status of our non-vested restricted stock and restricted stock units, including performance-based awards, as of December 31, 2019, and changes during the year ended December 31, 2019 follows:

	Restricted Stock (000’s)		Weighted Average Grant Date Fair Value		Restricted Stock Units (000’s)		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2018	276		$	53.64	628		$	57.70
Granted	143		62.69		304		59.85
Vested	(149	)	54.20		(371	)	60.73
Forfeited	(22	)	57.24		(22	)	53.69
Nonvested at December 31, 2019	248		58.21		539		56.99