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Summary of Significant Accounting Policies, Derivative Financial Instruments (Details) - Maximum [Member] | 12 Months Ended
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Dec. 31, 2023
Derivative Financial Instruments [Abstract] |
Number of months for contracts to mature | 18 months
Forward Exchange Contracts [Member] |
Derivative Financial Instruments [Abstract] |
Number of months for contracts to mature | 18 months

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- Definition Number of months for contracts to mature in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | sxt_NumberOfMonthsForContractsToMature
Namespace Prefix: | sxt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |