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Employee Benefit Plans - Fair Value of Plan Assets (Details) (Pension benefits, USD $) In Thousands, unless otherwise specified | Jan. 03, 2015 | Dec. 28, 2013
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Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | $ 28,986 kai_PensionPlanAssetsFairValueDisclosure | $ 26,056 kai_PensionPlanAssetsFairValueDisclosure
Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 20,272 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 18,396 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 8,714 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 7,660 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
U.S. Equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 3,465 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember | 3,205 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember
U.S. Equity | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 3,465 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 3,205 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
U.S. Equity | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
U.S. Equity | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_USEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
International Equity |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 819 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember | 817 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember
International Equity | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 819 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 817 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
International Equity | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
International Equity | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = kai_InternationalEquityMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Fixed Income Funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 24,702 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember | 22,034 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember
Fixed Income Funds | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 15,988 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 14,374 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Fixed Income Funds | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | 8,714 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 7,660 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Fixed Income Funds | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension plan assets, fair value disclosure | $ 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | $ 0 kai_PensionPlanAssetsFairValueDisclosure / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_FixedIncomeFundsMember / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member

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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References No definition available. + Details
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- Details
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