XML 47 R34.htm IDEA: XBRL DOCUMENT
v3.21.2

Description Of Business and Basis Of Presentation (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 02, 2021 | Jun. 26, 2020 | Jul. 02, 2021 | Jun. 26, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Number of weeks in fiscal year |  |  | 1 year | 1 year
Number of weeks in fiscal quarter | 3 months | 3 months |  |

X
- Definition Fiscal Period Length of Fiscal Quarter + References No definition available. + Details
Name: | swks_FiscalPeriodLengthofFiscalQuarter
Namespace Prefix: | swks_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fiscal Period Length of Fiscal Year + References No definition available. + Details
Name: | swks_FiscalPeriodLengthofFiscalYear
Namespace Prefix: | swks_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration