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Fair Value Measurements - Additional Information (Details) | Sep. 28, 2025 USD ($)
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Fair Value Disclosures [Abstract] |
Fair value liabilities transfers, Level 2 to Level 1 | $ 0

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

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- Definition Fair value liability level2 to level1 transfers amount + References No definition available. + Details
Name: | vitl_FairValueLiabilityLevel2ToLevel1TransfersAmount
Namespace Prefix: | vitl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant