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Balance Sheet Components - Stock Rotation Accrual (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Stock Rotation Accrual Increae (Decrease) [Roll Forward] |  |  |
Beginning balance | $ 3,917 | $ 3,358 | $ 1,921
Addition | 5,817 | 4,742 | 9,441
Utilization | (4,936) | (4,183) | (8,004)
Ending balance | $ 4,798 | $ 3,917 | $ 3,358

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- Definition Stock Rotation Accrual, Current + References No definition available. + Details
Name: | aosl_StockRotationAccrualCurrent
Namespace Prefix: | aosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Stock Rotation Accrual Increase (Decrease) [Roll forward] + References No definition available. + Details
Name: | aosl_StockRotationAccrualIncreaeDecreaseRollForward
Namespace Prefix: | aosl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Stock Rotation Accrual, Payments + References No definition available. + Details
Name: | aosl_StockRotationAccrualPayments
Namespace Prefix: | aosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Stock Rotation Accrual, Stock Issued + References No definition available. + Details
Name: | aosl_StockRotationAccrualStockIssued
Namespace Prefix: | aosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration