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Fair Value of Financial Instruments - Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified | Feb. 01, 2015 | Apr. 27, 2014 | Jan. 26, 2014
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Limited Term Bond Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | $ 3,112 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember | $ 2,576 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember | $ 2,570 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember
Low Duration Bond Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 2,084 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember | 2,077 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember | 2,069 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember
Intermediate Term Bond Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 2,188 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember | 1,641 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember | 1,612 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember
Premier Money Market Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 1,951 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_MoneyMarketFundsMember | 755 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_MoneyMarketFundsMember |
Other [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 49 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_OtherFinancialAssetsMember | 10 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_OtherFinancialAssetsMember |
Strategic Income Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 1,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_StrategicIncomeFundMember |  |
Growth Allocation Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 63 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_GrowthAllocationFundMember |  |
Quoted prices in active markets for identical assets - Level 1 [Member] | Limited Term Bond Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 3,112 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 2,576 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 2,570 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Quoted prices in active markets for identical assets - Level 1 [Member] | Low Duration Bond Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 2,084 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 2,077 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 2,069 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Quoted prices in active markets for identical assets - Level 1 [Member] | Intermediate Term Bond Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 2,188 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 1,641 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 1,612 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Quoted prices in active markets for identical assets - Level 1 [Member] | Premier Money Market Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 1,951 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_MoneyMarketFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 755 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_MoneyMarketFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |
Quoted prices in active markets for identical assets - Level 1 [Member] | Other [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 49 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_OtherFinancialAssetsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 10 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_OtherFinancialAssetsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |
Quoted prices in active markets for identical assets - Level 1 [Member] | Strategic Income Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | 1,000 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_StrategicIncomeFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |  |
Quoted prices in active markets for identical assets - Level 1 [Member] | Growth Allocation Fund [Member] |  |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |  |
Assets measured at fair value on a recurring basis | $ 63 us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_GrowthAllocationFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |  |

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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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