Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2022

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,
	2022		2021		2022		2021
Net earnings	$	289,618	$	264,508	$	515,771	$	497,277
Basic earnings per common share:
Net earnings	$	2.01	$	1.84	$	3.58	$	3.46
Weighted average shares outstanding	143,832,000		143,941,000		143,959,000		143,854,000
Diluted earnings per common share:
Net earnings	$	2.00	$	1.82	$	3.56	$	3.43
Weighted average shares outstanding	144,669,000		145,118,000		144,998,000		145,040,000

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,
	2022	2021	2022	2021
Weighted average shares outstanding - Basic	143,832,000	143,941,000	143,959,000	143,854,000
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs	837,000	1,177,000	1,039,000	1,186,000
Weighted average shares outstanding - Diluted	144,669,000	145,118,000	144,998,000	145,040,000