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Note 4 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

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

		Three Months Ended September 30,								Nine Months Ended September 30,
		2015				2014				2015				2014
Numerator:
Numerator for basic and diluted earnings per share – Net income available to common shareholders		$	19,883			$	23,478			$	56,240			$	55,330
Denominator–
Denominator for basic earnings per share – weighted average shares outstanding			40,361				40,008				40,235				39,700
Effect of dilutive securities– Employee and director stock options and restricted share awards			775				1,083				830				1,120
Denominator for diluted earnings per share – adjusted weighted average shares outstanding and assumed conversions			41,136				41,091				41,065				40,820
Basic earnings per common share		$	.49			$	.59			$	1.40			$	1.39
Diluted earnings per common share and common share equivalents		$	.48			$	.57			$	1.37			$	1.36

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

		Three Months Ended September 30,								Nine months Ended September 30,
		2015				2014				2015				2014
Anti-dilutive options			1,328				395				1,139				516

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://www.xbrl.org/2003/role/presentationRef



-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/2003/role/presentationRef



-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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