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v2.3.0.11

Accumulated Other Comprehensive Loss (Details) (USD $) In Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 01, 2011 | Jul. 01, 2011
Accumulated Other Comprehensive Loss |  |
Changes in the value of auction rate securities or pension liability | $ 0 | $ 0

X
- Definition Changes in the value of auction rate securities or pension liability + Details
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Namespace Prefix: | swks
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract
Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration