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Note 11 - Share Based Compensation And Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Options		Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (in Years)				Aggregate Intrinsic Value
Balance of Outstanding Options at January 1, 2013			4,037,266			$	14.52
Granted			400,633				25.70
Exercised			(775,543	)			11.31
Forfeited			(20,200	)			18.70
Balance of Outstanding Options at December 31, 2013			3,642,156			$	16.41				6.05			$	48,215,975
Expected to vest after December 31, 2013			2,039,144			$	19.50				7.55			$	20,706,571
Vested and exercisable at December 31, 2013			1,489,216			$	12.08				3.91			$	26,163,467

Schedule of Nonvested Share Activity [Table Text Block]

Non-vested Shares		Number of Shares				Weighted Average Grant Date Fair Value
Non-vested at January 1, 2013			2,423,608			$	7.48
Granted			400,633				12.69
Vested			(651,101	)			5.16
Forfeited			(20,200	)			8.68
Non-vested at December 31, 2013			2,152,940			$	9.13

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

Stock Awards and Units		Shares				WeightedAverage Remaining Contractual Life (in Years)				Aggregate Intrinsic Value				Weighted Average Grant Date Fair Value
Outstanding Non-vested shares at January 1, 2013			232,114											$	20.50
Granted			258,173												22.12
Vested			(185,589	)											20.61
Forfeited		–
Outstanding Non-vested at December 31, 2013			302,015				8.79			$	8,092,665			$	21.81
Expected to vest after December 31, 2013			298,240				8.79			$	7,990,161

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- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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