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Employee Benefit Plans (Details) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
Retirement Benefit Plan Disclosure [Line Items] |  |  |
Employer matching contribution, percent of match | 50.00% |  |
Employer matching contribution, percent of employees' gross pay | 4.00% |  |
Company contributions to retirement plan | $ 1.8 | $ 1.9 | $ 0.3
Defined Contribution Plan, Employer Matching Contribution, Eligible Compensation Maximum Match, Percent | 2.00% |  |
United States |  |  |
Retirement Benefit Plan Disclosure [Line Items] |  |  |
Mandatory employer contributions according to labor and social security laws and regulations, percent | 7.70% |  |
United States | Retirement Plan, 401-K |  |  |
Retirement Benefit Plan Disclosure [Line Items] |  |  |
Employee maximum salary deferral contribution, percent | 100.00% |  |
Taiwan |  |  |
Retirement Benefit Plan Disclosure [Line Items] |  |  |
Mandatory employer contributions according to labor and social security laws and regulations, percent | 6.00% |  |
China |  |  |
Retirement Benefit Plan Disclosure [Line Items] |  |  |
Mandatory employer contributions according to labor and social security laws and regulations, percent | 16.00% |  |
INDIA |  |  |
Retirement Benefit Plan Disclosure [Line Items] |  |  |
Mandatory employer contributions according to labor and social security laws and regulations, percent | 12.00% |  |

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- Definition Defined Contribution Plan, Employer Matching Contribution, Eligible Compensation Maximum Match, Percent + References No definition available. + Details
Name: | aosl_DefinedContributionPlanEmployerMatchingContributionEligibleCompensationMaximumMatchPercent
Namespace Prefix: | aosl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Mandatory Employer Contributions According to Labor and Social Security Laws and Regulations + References No definition available. + Details
Name: | aosl_MandatoryEmployerContributionsAccordingToLaborAndSocialSecurityLawsAndRegulations
Namespace Prefix: | aosl_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RetirementPlanNameAxis=aosl_RetirementPlan401KMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_TW
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_IN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |