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Inventories - Schedule of Inventory, Current (Parenthetical) (Details) - USD ($) | Sep. 26, 2025 | Dec. 27, 2024
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Inventory Disclosure [Abstract] |  |
Consigned inventory | $ 13,811,000 | $ 1,958,000

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- Definition Inventory materials under consignment. + References No definition available. + Details
Name: | staa_InventoryMaterialsUnderConsignment
Namespace Prefix: | staa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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