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Long-Term Obligations - Future Minimum Payments for Sales-Leaseback Financing Arrangement (Details) $ in Thousands | Dec. 28, 2019 USD ($)
--- | ---
Debt Disclosure [Abstract] |
2020 | $ 528
2021 | 528
2022 | 1,297
Total minimum lease payments | 2,353
Less: Imputed Interest | (108)
Present Value of Minimum Lease Payments | $ 2,245

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- Definition Sale Leaseback Transaction, Future Minimum Payments Due + References No definition available. + Details
Name: | kai_SaleLeasebackTransactionFutureMinimumPaymentsDue
Namespace Prefix: | kai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Sale Leaseback Transaction, Future Minimum Payments Due, Next Twelve Months + References No definition available. + Details
Name: | kai_SaleLeasebackTransactionFutureMinimumPaymentsDueNextTwelveMonths
Namespace Prefix: | kai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Sale Leaseback Transaction, Future Minimum Payments Due in Three Years + References No definition available. + Details
Name: | kai_SaleLeasebackTransactionFutureMinimumPaymentsDueinThreeYears
Namespace Prefix: | kai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Sale Leaseback Transaction, Future Minimum Payments Due in Two Years + References No definition available. + Details
Name: | kai_SaleLeasebackTransactionFutureMinimumPaymentsDueinTwoYears
Namespace Prefix: | kai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Sale Leaseback Transaction, Future Minimum Payments, Interest Included in Payments + References No definition available. + Details
Name: | kai_SaleLeasebackTransactionFutureMinimumPaymentsInterestIncludedinPayments
Namespace Prefix: | kai_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Sale Leaseback Transaction, Future Minimum Payments, Present Value of Net Minimum Payments + References No definition available. + Details
Name: | kai_SaleLeasebackTransactionFutureMinimumPaymentsPresentValueofNetMinimumPayments
Namespace Prefix: | kai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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