Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Reconciliation of information used in computing basic and diluted earnings per share

The following table sets forth a reconciliation of the information used in computing basic and diluted earnings per share:

	Years Ended December 31,
	2016		2015		2014
Earnings from continuing operations	$	508,892	$	595,881	$	778,140
Earnings (losses) from discontinued operations, net	—		273,948		(2,905		)
Net earnings	$	508,892	$	869,829	$	775,235
Basic earnings per common share:
Earnings from continuing operations	$	3.28	$	3.78	$	4.67
Earnings (losses) from discontinued operations, net	$	—	$	1.74	$	(0.02	)
Net earnings	$	3.28	$	5.52	$	4.65
Weighted average shares outstanding	155,231,000		157,619,000		166,692,000
Diluted earnings per common share:
Earnings from continuing operations	$	3.25	$	3.74	$	4.61
Earnings (losses) from discontinued operations, net	$	—	$	1.72	$	(0.02	)
Net earnings	$	3.25	$	5.46	$	4.59
Weighted average shares outstanding	156,636,000		159,172,000		168,842,000

Reconciliation of share amounts used in computing earnings per share

The following table is a reconciliation of the share amounts used in computing earnings per share:

	Years Ended December 31,
	2016	2015	2014
Weighted average shares outstanding - Basic	155,231,000	157,619,000	166,692,000
Dilutive effect of assumed exercise of employee stock options and SARs and vesting of performance shares and restricted shares	1,405,000	1,553,000	2,150,000
Weighted average shares outstanding - Diluted	156,636,000	159,172,000	168,842,000