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Note 12 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

		2020				2019				2018
Numerator-
Numerator for basic and diluted earnings per share −
Net income available to common shareholders		$	114,887			$	141,583			$	139,062
Denominator-
Denominator for basic earnings per share – weighted average shares outstanding			54,866				54,988				58,835
Effect of dilutive securities−
Employee and director stock options and restricted share awards			1,376				1,368				1,605
Denominator for diluted earnings per share − adjusted weighted average shares outstanding and assumed conversions			56,242				56,356				60,440
Basic earnings per common share		$	2.09			$	2.57			$	2.36
Diluted earnings per common share and common share equivalents		$	2.04			$	2.51			$	2.30

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

		2020				2019				2018
Anti-dilutive options – weighted average			1,349				1,663				769

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=6371337&loc=d3e3550-109257

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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)
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