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v3.23.2

Indemnifications and Contingencies (Additional Information) (Details) $ in Millions | 3 Months Ended
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Jun. 24, 2023 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Accrued Amount In Contractual Dispute | $ 4.0

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- Definition Accrued Amount In Contractual Dispute + References No definition available. + Details
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Namespace Prefix: | syna_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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