The annual increments to be vested in common stock units, as a percentage.

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- Definition

The maximum period of common stock granted.

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- References

No definition available.

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- Definition

Represents the number shares available for future grant calculated based on maximum of earned shares from TSR & EPS restricted stock units.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

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-Topic 718

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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-Glossary Financing Activities

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Number of share options (or share units) exercised during the current period.

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-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

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The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

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Note 5 - Stock-Based Compensation (Details) - USD ($)	1 Months Ended	3 Months Ended			6 Months Ended
Note 5 - Stock-Based Compensation (Details) - USD ($)	Dec. 31, 2014	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Note 5 - Stock-Based Compensation (Details) [Line Items]
Maximum Period of Common Stock Granted					10 years
Annual Increments to Be Vested in Common Stock Units		20.00%			20.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)					0	0
Allocated Share-based Compensation Expense		$ 0		$ 0	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)		69,600	3,750		73,350	0
Proceeds from Stock Options Exercised					$ 1,713,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value					$ 556,000
Shares Available for Future Grant Calculated Based On Maximum of Earned Shares from TSR & EPS RSU (in Shares)		3,562,168			3,562,168
Restricted Stock Units (RSUs) [Member]
Note 5 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)					72,900	17,601
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)					$ 28.11	$ 24.66
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years	2 years
Stock or Unit Option Plan Expense		$ 1,200,000		$ 1,000,000	$ 2,200,000	$ 2,000,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 6,300,000			$ 6,300,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition					2 years 73 days
Performance TSR Restricted Stock [Member]
Note 5 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	60,456
Performance EPS Restricted Stock Units [Member]
Note 5 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	57,642