Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2021

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,
	2021		2020		2019
Net earnings	$	1,123,818	$	683,451	$	677,918
Basic earnings per common share:
Net earnings	$	7.81	$	4.74	$	4.67
Weighted average basic shares outstanding	143,923,000		144,050,000		145,198,000
Diluted earnings per common share:
Net earnings	$	7.74	$	4.70	$	4.61
Weighted average diluted shares outstanding	145,273,000		145,393,000		146,992,000

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,
	2021	2020	2019
Weighted average shares outstanding - Basic	143,923,000	144,050,000	145,198,000
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs	1,350,000	1,343,000	1,794,000
Weighted average shares outstanding - Diluted	145,273,000	145,393,000	146,992,000