Intrinsic Value of Restricted Stock Units Released

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- Definition

Maximum reduction performance based RSU will be decrease based on total shareholder return

+ References

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- Definition

The maximum number of RSU's an employee may receive as a percentage

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No definition available.

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- Definition

Share Based Compensation Weighted Average Period Recognized

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No definition available.

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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.

+ 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 (i)

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

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- Definition

The cash inflow associated with the amount received from the stock plan during the period.

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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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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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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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)(iii)

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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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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-Publisher FASB

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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 shares issued during the period as a result of an employee stock purchase plan.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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Note 2 - Stock-Based Compensation (Details) (USD $)	0 Months Ended		1 Months Ended		3 Months Ended		6 Months Ended	9 Months Ended		0 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended	0 Months Ended	9 Months Ended	1 Months Ended			0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended	9 Months Ended
Note 2 - Stock-Based Compensation (Details) (USD $)	Feb. 05, 2013	Feb. 14, 2012	Feb. 28, 2011	Feb. 25, 2010	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Feb. 05, 2013 Performance Based Restricted Stock Unit [Member]	Apr. 24, 2012 Performance Based Restricted Stock Unit [Member]	Sep. 30, 2013 Performance Based Restricted Stock Unit [Member]	Dec. 31, 2012 Performance Based Restricted Stock Unit [Member]	Feb. 05, 2013 Restricted Stock [Member]	Sep. 30, 2013 Restricted Stock [Member]	Apr. 24, 2012 Time Base Restricted Unit [Member]	Feb. 28, 2011 Time Base Restricted Unit [Member]	Feb. 28, 2011 CEO [Member]	Feb. 05, 2013 Executive Restricted Stock Unit [Member]	Feb. 28, 2011 Executive Restricted Stock Unit [Member]	Feb. 05, 2013 Nonexecutive Restrcted Stock Unit [Member]	Apr. 24, 2012 Nonexecutive Restrcted Stock Unit [Member]	Sep. 30, 2013 Employee Stock Option [Member]	Sep. 30, 2012 Employee Stock Option [Member]
Note 2 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)					5,500,000			5,500,000
Intrinsic Value of Restricted Stock Units Released					$ 3,200,000	$ 3,300,000		$ 14,800,000	$ 7,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value												54,900,000	36,300,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options					200,000			200,000							24,100,000
Share Based Compensation Weighted Average Period Recognized															1 year 328 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)		413,000		416,000													153,000					344,650
Share Based Compensation Share Based Payment Other Than Options Percentage Allowed	300.00%									300.00%	300.00%							100.00%		300.00%
Performance Level RSU Reduction Percentage			15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	91,222										125,333			124,211		219,317			293,760		215,433
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	2 years													4 years		4 years			2 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value					11,300,000	3,600,000																	22,200,000	9,100,000
Proceeds from Stock Options Exercised					16,500,000	4,900,000			12,200,000														32,700,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options					700,000			700,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition								1 year 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate					0.00%	0.00%		0.00%	0.00%
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in Shares)					46,000	55,000		111,000	152,000
Stock Issued During Period, Value, Employee Stock Purchase Plan					300,000	300,000		800,000	1,000,000
Proceeds from Stock Plans							$ 1,900,000	$ 2,145,000	$ 1,852,000