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Note 12 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

		2015				2014				2013
Numerator-
Numerator for basic and diluted earnings per share -
Net income available to common shareholders		$	66,053			$	79,957			$	49,217
Denominator-
Denominator for basic earnings per share – weighted average shares			40,271				39,783				39,405
Effect of dilutive securities-
Employee and director stock options and restricted share awards			822				1,111				1,101
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions			41,093				40,894				40,506
Basic earnings per common share		$	1.64			$	2.01			$	1.25
Diluted earnings per common share and common share equivalents		$	1.61			$	1.96			$	1.22

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

		2015				2014				2013
Options			1,186				482				928
Total anti-dilutive securities			1,186				482				928

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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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/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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- References

No definition available.

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