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Earnings per Share (Tables)

6 Months Ended

Jun. 30, 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:

			Three Months Ended June 30,												Six Months Ended June 30,
			2021						2020						2021						2020
Net earnings			$	264,508					$	124,766					$	497,277					$	301,045
Basic earnings per common share:
Net earnings			$	1.84					$	0.87					$	3.46					$	2.09
Weighted average shares outstanding			143,941,000						143,955,000						143,854,000						144,107,000
Diluted earnings per common share:
Net earnings			$	1.82					$	0.86					$	3.43					$	2.07
Weighted average shares outstanding			145,118,000						144,995,000						145,040,000						145,359,000

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,
			2021						2020						2021						2020
Weighted average shares outstanding - Basic			143,941,000						143,955,000						143,854,000						144,107,000
Dilutive effect of assumed exercise of SARs and vesting of performance shares and RSUs			1,177,000						1,040,000						1,186,000						1,252,000
Weighted average shares outstanding - Diluted			145,118,000						144,995,000						145,040,000						145,359,000

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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