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Note 4 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2021				2020				2021				2020
Numerator:
Numerator for basic and diluted earnings per share – Net income available to common shareholders		$	69,399			$	33,939			$	172,776			$	73,862
Denominator:
Denominator for basic earnings per share – weighted average shares outstanding			56,007				55,033				55,882				54,734
Effect of dilutive securities– Employee and director stock options and restricted share awards			1,799				1,410				1,952				1,195
Denominator for diluted earnings per share – adjusted weighted average shares outstanding and assumed conversions			57,806				56,443				57,834				55,929
Basic earnings per common share		$	1.24			$	0.62			$	3.09			$	1.35
Diluted earnings per common share and common share equivalents		$	1.20			$	0.60			$	2.99			$	1.32

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2021				2020				2021				2020
Weighted average anti-dilutive options			624				1,100				460				1,799

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ 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
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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X

- 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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No definition available.

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