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Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2021

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
			2021						2020						2021						2020
			(thousands, except per-share data)
Net income			$	302,556					$	33,586					$	451,712					$	45,786
Weighted average common shares outstanding during the period (for basic calculation)			39,442						39,312						39,399						39,238
Dilutive effect of other potential common shares			246						75						234						143
Weighted average common shares and potential common shares (for diluted calculation)			39,688						39,387						39,633						39,381
Net income per common share - Basic			$	7.67					$	0.85					$	11.47					$	1.17
Net income per common share - Diluted			$	7.62					$	0.85					$	11.40					$	1.16

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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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