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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
Limited Term Bond Fund [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets measured at fair value on a recurring basis	$ 3,112us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember	$ 2,576us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember	$ 2,570us-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	2,084us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember	2,077us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember	2,069us-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	2,188us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember	1,641us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember	1,612us-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	1,951us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_MoneyMarketFundsMember	755us-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	49us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_OtherFinancialAssetsMember	10us-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	1,000us-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	63us-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	3,112us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	2,576us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LimitedTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	2,570us-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	2,084us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	2,077us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_LowDurationBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	2,069us-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	2,188us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	1,641us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_IntermediateTermBondFundMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	1,612us-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	1,951us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = us-gaap_MoneyMarketFundsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	755us-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	49us-gaap_AssetsFairValueDisclosureRecurring / us-gaap_FairValueByAssetClassAxis = cfi_OtherFinancialAssetsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member	10us-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	1,000us-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	$ 63us-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.

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