XML 108 R91.htm IDEA: XBRL DOCUMENT
v3.20.2

Restricted Net Assets (Details) - China - Subsidiaries [Member] - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019
Restricted Statutory Reserves [Line Items] |  |
Foreign subsidiaries, restricted statutory reserves | $ 209.8 | $ 209.5
Foreign subsidiaries, restricted statutory reserves percent of parent consolidated net assets | 61.40% | 64.40%
Minimum [Member] |  |
Restricted Statutory Reserves [Line Items] |  |
Foreign subsidiaries, minimum percent of after-tax profit required annually in statutory reserves | 10.00% |
Maximum [Member] |  |
Restricted Statutory Reserves [Line Items] |  |
Foreign subsidiaries, statutory reserves maximum cumulative amount as a percent of registered capital | 50.00% |

X
- Definition Foreign Subsidiaries, Restricted Statutory Reserves, Amount + References No definition available. + Details
Name: | aosl_ForeignSubsidiariesRestrictedStatutoryReservesAmount
Namespace Prefix: | aosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Foreign Subsidiaries, Restricted Statutory Reserves, Percent of Parent Consolidated Net Assets + References No definition available. + Details
Name: | aosl_ForeignSubsidiariesRestrictedStatutoryReservesPercentOfParentConsolidatedNetAssets
Namespace Prefix: | aosl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percent of After-tax Profit Required Annually in Statutory Reserves + References No definition available. + Details
Name: | aosl_PercentOfAfterTaxProfitRequiredAnnuallyInStatutoryReserves
Namespace Prefix: | aosl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restricted Statutory Reserves [Line Items] + References No definition available. + Details
Name: | aosl_RestrictedStatutoryReservesLineItems
Namespace Prefix: | aosl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Statutory Reserves, Cumulative Amount as a Percent of Registered Capital + References No definition available. + Details
Name: | aosl_StatutoryReservesCumulativeAmountAsPercentOfRegisteredCapital
Namespace Prefix: | aosl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_EntityByLocationAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |