Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2019

Share-Based Compensation Plans [Abstract]

Stock Option Activity

Stock option activity was:

	Year Ended December 31,
	2019		2018		2017
	Shares	Weighted Average Exercise Price	Shares	Weighted Average Exercise Price	Shares	Weighted Average Exercise Price
January 1	988,050	$80.37	1,593,422	$63.11	719,757	$27.88
Granted	—	—	—		1,000,000	$84.94
Exercised	(57,300)	$23.40	(500,122)	$24.43	(102,335)	$23.40
Forfeited	(64,750)	$84.94	(105,250)	$84.94	(24,000)	$84.94
December 31	866,000	$83.80	988,050	$80.37	1,593,422	$63.11
Exercisable December 31	60,000	$68.42	117,300	$46.43	617,422	$28.61

Options Outstanding and Exercisable

At December 31, 2019, options outstanding and exercisable were:

			Options Outstanding			Options Exercisable
Exercise Price Range			Shares	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price	Shares	Weighted Average Exercise Price
$66.00	to	$71.00	60,000	4.4 years	$68.42	60,000	$68.42
$84.00	to	$85.00	806,000	3.2 years	$84.94	—	$84.94
			866,000			60,000

Restricted Stock Activity

Restricted stock activity was:

	Year Ended December 31,
	2019	2018	2017
January 1	2,553,902	2,859,373	3,802,105
Granted	956,135	815,810	966,919
Vested	(798,468)	(944,048)	(1,757,269)
Forfeited	(164,568)	(177,233)	(152,382)
December 31	2,547,001	2,553,902	2,859,373
Weighted average grant date fair value of shares granted in the period	$72.13	$67.62	$74.10
Weighted average grant date fair value at December 31	$70.89	$69.77	$68.85

Performance Restricted Stock Units Activity

PRSU activity was:

	Year Ended December 31,
	2019			2018			2017
	Shares	Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value
January 1	509,844	$	80.41	488,887	$	82.01	462,381	$	77.05
Granted	181,782	75.64		182,582	73.72		173,770	84.94
Distributed	(153,492)	83.23		(161,625)	77.68		(147,264)	69.89
December 31	538,134	$	77.99	509,844	$	80.41	488,887	$	82.01