Earnings per Share (Tables)

6 Months Ended

Jun. 30, 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:

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Earnings from continuing operations	$	118,290	$	155,634	$	217,646	$	272,824
Earnings from discontinued operations, net	—		176,762		—		269,082
Net earnings	$	118,290	$	332,396	$	217,646	$	541,906
Basic earnings per common share:
Earnings from continuing operations	$	0.76	$	0.98	$	1.40	$	1.70
Earnings from discontinued operations, net	$	—	$	1.11	$	—	$	1.68
Net earnings	$	0.76	$	2.10	$	1.40	$	3.38
Weighted average shares outstanding	155,180,000		158,640,000		155,122,000		160,137,000
Diluted earnings per common share:
Earnings from continuing operations	$	0.76	$	0.97	$	1.39	$	1.69
Earnings from discontinued operations, net	$	—	$	1.10	$	—	$	1.66
Net earnings	$	0.76	$	2.07	$	1.39	$	3.35
Weighted average shares outstanding	156,595,000		160,398,000		156,414,000		161,876,000

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:

	Three Months Ended June 30,		Six Months Ended June 30,
	2016	2015	2016	2015
Weighted average shares outstanding - Basic	155,180,000	158,640,000	155,122,000	160,137,000
Dilutive effect of assumed exercise of employee stock options and SARs and vesting of performance shares	1,415,000	1,758,000	1,292,000	1,739,000
Weighted average shares outstanding - Diluted	156,595,000	160,398,000	156,414,000	161,876,000