Issuance of Common Stock Shares for Stock-Based Compensation

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- Definition

Number Of Share Based Compensation Plans

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No definition available.

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- Definition

Share based Compensation Arrangement by Share based Payment Award, Number of Shares Authorized, Prior to Amendment

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Shares Vested

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No definition available.

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- Definition

The amount of expense, net of income tax, 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.

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No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

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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

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

+ References

No definition available.

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- Definition

Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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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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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Paragraph 28

-Subparagraph (a)

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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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-Subparagraph (a)(1)

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB

-Name Accounting Standards Codification

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-Paragraph 2

-Subparagraph (c)(1)(iv)(3)

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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).

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

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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

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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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

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

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

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Topic 505

-SubTopic 10

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30, 31

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Share-Based Compensation - Additional Information (Detail) (USD $)	12 Months Ended			43 Months Ended	0 Months Ended	72 Months Ended	0 Months Ended
	Jan. 31, 2015 CompensationPlan	Feb. 01, 2014	Feb. 02, 2013	Jan. 31, 2009	Jun. 15, 2005	Jun. 15, 2005	Jun. 08, 1999	May 29, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 16,070,000us-gaap_ShareBasedCompensation	$ (6,541,000)us-gaap_ShareBasedCompensation	$ 66,349,000us-gaap_ShareBasedCompensation
Share-based compensation, net of tax	9,900,000	4,100,000	40,900,000
Number of share-based compensation plans	3aeo_NumberOfShareBasedCompensationPlans
Stock awards	12,372,000	1,184,000	76,108,000
Shares available for all equity grants	8,900,000
Stock options granted	126,000
Cancellations of awards	1,048,000
Weighted-average grant date fair value of stock options granted	$ 3.99	$ 4.17	$ 3.72
Aggregate intrinsic value of options exercised	1,300,000	3,900,000	57,400,000
Net proceeds from stock options exercised	7,305,000	6,197,000	76,401,000
Tax benefit realized from stock option exercises	(500,000)	8,700,000	14,100,000
2005 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock granted	400,000			200,000
Authorized shares under the plan prior to amendment					18,400,000	18,400,000
Shares available for all equity grants				31,900,000
Stock options granted	17,100,000			9,100,000
Cancellations of awards	13,100,000
2005 Stock Award and Incentive Plan \| Director \| Annual \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted					20,000
1999 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares under the plan					33,000,000	33,000,000
Maximum number of options that may be granted to any individual						9,000,000
Authorized shares under the plan prior to amendment							18,000,000
Stock options granted						33,200,000
Expiration period						10 years
1999 Stock Incentive Plan \| Director \| Quarterly
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted							1,875
1999 Stock Incentive Plan \| Group 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						33.00%
Vesting period						8 years
1999 Stock Incentive Plan \| Group 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						34.00%
Vesting period						3 years
1999 Stock Incentive Plan \| Group 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						23.00%
Vesting period						5 years
1999 Stock Incentive Plan \| Group 4
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period						1 year
2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares under the plan								11,500,000
Shares of common stock granted	23,400
2014 Stock Award and Incentive Plan \| Director \| In any single calendar year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards								300,000
2014 Stock Award and Incentive Plan \| Director \| In the first year a person becomes a non-employee director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards								500,000
Restricted stock awards, restricted stock units or other full value stock awards \| 2005 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual	4,000,000
Authorized shares under the plan prior to amendment					6,400,000	6,400,000
Restricted stock awards, restricted stock units or other full value stock awards \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual								1,500,000
Stock options, SAR, dividend equivalents, performance awards or other non-full value stock awards \| 2005 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual	6,000,000
Authorized shares under the plan prior to amendment					12,000,000	12,000,000
Stock options, SAR, dividend equivalents, performance awards or other non-full value stock awards \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual								4,000,000
Restricted Stock \| 2005 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	10,400,000			2,900,000
Shares cancelled				2,900,000
Restricted Stock \| 1999 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted						6,700,000
Shares cancelled						9,700,000
Restricted Stock \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	46,700
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	400,000
Unrecognized compensation expense, weighted average period	2 years 1 month 6 days
Employee Stock Option \| 2005 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested	4.00%
Vesting period	1 year
Employee Stock Option \| 2005 Stock Award and Incentive Plan \| Group 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested	95.00%
Vesting period	3 years
Expiration period	10 years
Employee Stock Option \| 2005 Stock Award and Incentive Plan \| Group 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested	1.00%
Vesting period	5 years
Expiration period	7 years
Performance Based Restricted Stock Unit \| 2005 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested	62.00%
Performance Based Restricted Stock Unit \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested	62.00%
Time-based restricted stock awards \| 2005 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested	38.00%
Vesting period	3 years
Time-based restricted stock awards \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested	38.00%
Vesting period	3 years
Time Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	1,506,000
Vesting period	3 years
Shares cancelled	417,000
Unrecognized compensation expense, weighted average period	1 year 10 months 24 days
Unrecognized compensation expense	16,200,000
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	1,314,000
Vesting period	3 years
Shares cancelled	670,000
Unrecognized compensation expense	$ 2,800,000
Performance-Based Restricted Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, weighted average period	3 years
Performance-Based Restricted Stock Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, weighted average period	1 year