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Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Net Income Per Common Share [Table Text Block]

The following table sets forth the computation of basic and diluted net income per common share:

			Three Months Ended June 30												Six Months Ended June 30
			2022						2021						2022						2021
			(thousands, except per-share data)
Net income			$	218,111					$	302,556					$	520,711					$	451,712
Weighted average common shares outstanding during the period (for basic calculation)			39,544						39,442						39,509						39,399
Dilutive effect of other potential common shares			219						246						253						234
Weighted average common shares and potential common shares (for diluted calculation)			39,763						39,688						39,762						39,633
Net income per common share - Basic			$	5.52					$	7.67					$	13.18					$	11.47
Net income per common share - Diluted			$	5.49					$	7.62					$	13.10					$	11.40

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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=124432515&loc=d3e3550-109257

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