Earnings per Share (Tables)

12 Months Ended

Dec. 31, 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:

	Years Ended December 31,
	2022		2021		2020
Net earnings	$	1,065,376	$	1,123,818	$	683,451
Basic earnings per common share:
Net earnings	$	7.47	$	7.81	$	4.74
Weighted average basic shares outstanding	142,681,000		143,923,000		144,050,000
Diluted earnings per common share:
Net earnings	$	7.42	$	7.74	$	4.70
Weighted average diluted shares outstanding	143,595,000		145,273,000		145,393,000

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,
	2022	2021	2020
Weighted average shares outstanding - basic	142,681,000	143,923,000	144,050,000
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs	914,000	1,350,000	1,343,000
Weighted average shares outstanding - diluted	143,595,000	145,273,000	145,393,000