Earnings per Share (Tables)

3 Months Ended

Mar. 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:

	Three Months Ended March 31,
	2022		2021
Net earnings	$	226,153	$	232,769
Basic earnings per common share:
Net earnings	$	1.57	$	1.62
Weighted average shares outstanding	144,087,000		143,765,000
Diluted earnings per common share:
Net earnings	$	1.56	$	1.61
Weighted average shares outstanding	145,329,000		144,938,000

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 March 31,
	2022	2021
Weighted average shares outstanding - Basic	144,087,000	143,765,000
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs	1,242,000	1,173,000
Weighted average shares outstanding - Diluted	145,329,000	144,938,000