Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2018

Stock option activity for the three years ended December 31, 2018 was:



	2018			2017			2016
	Shares		Weighted Average Exercise Price	Shares		Weighted Average Exercise Price	Shares		Weighted Average Exercise Price
January 1	1,593,422		$63.11	719,757		$27.88	1,140,547		$28.86
Granted	—			1,000,000		$84.94	—
Exercised	(500,122	)	$24.43	(102,335	)	$23.40	(420,790	)	$30.56
Forfeited	(105,250	)	$84.94	(24,000	)	$84.94	—
December 31	988,050		$80.37	1,593,422		$63.11	719,757		$27.88

Exercisable December 31	117,300		$46.43	617,422		$28.61	695,757		$26.54

Options outstanding and exercisable at December 31, 2018 were:



			Options Outstanding			Options Exercisable
Exercise Price Range			Shares	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price	Shares	Weighted Average Exercise Price
$23.00	to	$24.00	57,300	0.2 years	$23.40	57,300	$23.40
$66.00	to	$71.00	60,000	5.4 years	$68.42	60,000	$68.42
$84.00	to	$85.00	870,750	4.2 years	$84.94	—	$84.94
			988,050			117,300

Restricted stock activity for the three years ended December 31, 2018 was:



	2018		2017		2016
January 1	2,859,373		3,802,105		4,349,105
Granted	815,810		966,919		1,100,396
Vested	(944,048	)	(1,757,269	)	(1,438,386	)
Forfeited	(177,233	)	(152,382	)	(209,010	)
December 31	2,553,902		2,859,373		3,802,105

Weighted average grant date fair value of shares granted in the period	$67.62		$74.10		$73.16

Weighted average grant date fair value at December 31	$69.77		$68.85		$61.72

PRSU activity for the three years ended December 31, 2018 was:



	2018				2017				2016
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
January 1	488,887		$	82.01	462,381		$	77.05	534,456		$	66.05
Granted	182,582		73.72		173,770		84.94		153,492		83.23
Distributed	(161,625	)	77.68		(147,264	)	69.89		(225,567	)	55.20
December 31	509,844		$	80.41	488,887		$	82.01	462,381		$	77.05