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Income Taxes - Effective Income Tax Rate - Narrative (Detail) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Feb. 01, 2015
Jan. 26, 2014
Feb. 01, 2015
Jan. 26, 2014
Apr. 27, 2014
Income Taxes [Line Items]          
Income taxes $ 2,110,000us-gaap_IncomeTaxExpenseBenefit $ (3,807,000)us-gaap_IncomeTaxExpenseBenefit $ 6,113,000us-gaap_IncomeTaxExpenseBenefit $ 216,000us-gaap_IncomeTaxExpenseBenefit  
Income tax rate     37.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations 1.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations  
Statutory rate     34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate  
Decrease in income tax rate from the lower statutory income tax rates in foreign jurisdictions compared with the U.S statutory income tax rate     (6.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (7.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential  
Increase (decrease) in income tax rate from income tax effects of undistributed earnings from foreign subsidiaries     4.00%cfi_EffectiveIncomeTaxRateReconciliationUndistributedEarningsOfForeignSubsidiaries (36.00%)cfi_EffectiveIncomeTaxRateReconciliationUndistributedEarningsOfForeignSubsidiaries  
Increase in income tax rate from an increase in unrecognized tax benefits     4.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies 4.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies  
Increase in income tax rate for stock-based compensation and other miscellaneous items     1.60%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost 4.40%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost  
Income tax expense (benefit) from income tax effects on undistributed earnings from foreign subsidiaries       (5,400,000)cfi_IncomeTaxExpenseBenefitFromIncomeTaxEffectsOnUndistributedEarnings  
U.S. foreign income tax credits     29,700,000us-gaap_IncomeTaxCreditsAndAdjustments 25,200,000us-gaap_IncomeTaxCreditsAndAdjustments 26,100,000us-gaap_IncomeTaxCreditsAndAdjustments
U.S. income and foreign withholding taxes     32,100,000cfi_DeferredTaxLiabilityWithholdingTaxes 26,900,000cfi_DeferredTaxLiabilityWithholdingTaxes 28,100,000cfi_DeferredTaxLiabilityWithholdingTaxes
Increase in income tax rate from adjustments to the state of North Carolina loss carryforwards for the decrease in future North Carolina corporate income tax rates       2.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate  
Income tax expense related to the adjustments of the state of North Carolina loss carryforwards from the decrease in future North Carolina corporate income tax rates       273,000us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate  
Canada and China [Member]          
Income Taxes [Line Items]          
Decrease in income tax rate from the lower statutory income tax rates in foreign jurisdictions compared with the U.S statutory income tax rate     (6.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
(7.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
 
Increase (decrease) in income tax rate from income tax effects of undistributed earnings from foreign subsidiaries     4.00%cfi_EffectiveIncomeTaxRateReconciliationUndistributedEarningsOfForeignSubsidiaries
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_ForeignCountryMember
   
North Carolina [Member]          
Income Taxes [Line Items]          
Increase in income tax rate from adjustments to the state of North Carolina loss carryforwards for the decrease in future North Carolina corporate income tax rates       2.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
/ us-gaap_IncomeTaxAuthorityAxis
= stpr_NC
 
Income tax expense related to the adjustments of the state of North Carolina loss carryforwards from the decrease in future North Carolina corporate income tax rates       273,000us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate
/ us-gaap_IncomeTaxAuthorityAxis
= stpr_NC
 
U.S. Tax Authorities [Member] | Foreign Subsidiaries in China [Member]          
Income Taxes [Line Items]          
Increase (decrease) in income tax rate from income tax effects of undistributed earnings from foreign subsidiaries       (36.00%)cfi_EffectiveIncomeTaxRateReconciliationUndistributedEarningsOfForeignSubsidiaries
/ us-gaap_IncomeTaxAuthorityAxis
= cfi_InternalRevenueServiceAndStateTaxAuthoritiesMember
/ dei_LegalEntityAxis
= cfi_ForeignSubsidiariesMember
 
Income tax expense (benefit) from income tax effects on undistributed earnings from foreign subsidiaries   (5,400,000)cfi_IncomeTaxExpenseBenefitFromIncomeTaxEffectsOnUndistributedEarnings
/ us-gaap_IncomeTaxAuthorityAxis
= cfi_InternalRevenueServiceAndStateTaxAuthoritiesMember
/ dei_LegalEntityAxis
= cfi_ForeignSubsidiariesMember
  (5,400,000)cfi_IncomeTaxExpenseBenefitFromIncomeTaxEffectsOnUndistributedEarnings
/ us-gaap_IncomeTaxAuthorityAxis
= cfi_InternalRevenueServiceAndStateTaxAuthoritiesMember
/ dei_LegalEntityAxis
= cfi_ForeignSubsidiariesMember
 
U.S. foreign income tax credits   9,900,000us-gaap_IncomeTaxCreditsAndAdjustments
/ us-gaap_IncomeTaxAuthorityAxis
= cfi_InternalRevenueServiceAndStateTaxAuthoritiesMember
/ dei_LegalEntityAxis
= cfi_ForeignSubsidiariesMember
  9,900,000us-gaap_IncomeTaxCreditsAndAdjustments
/ us-gaap_IncomeTaxAuthorityAxis
= cfi_InternalRevenueServiceAndStateTaxAuthoritiesMember
/ dei_LegalEntityAxis
= cfi_ForeignSubsidiariesMember
 
U.S. income and foreign withholding taxes   $ 4,500,000cfi_DeferredTaxLiabilityWithholdingTaxes
/ us-gaap_IncomeTaxAuthorityAxis
= cfi_InternalRevenueServiceAndStateTaxAuthoritiesMember
/ dei_LegalEntityAxis
= cfi_ForeignSubsidiariesMember
  $ 4,500,000cfi_DeferredTaxLiabilityWithholdingTaxes
/ us-gaap_IncomeTaxAuthorityAxis
= cfi_InternalRevenueServiceAndStateTaxAuthoritiesMember
/ dei_LegalEntityAxis
= cfi_ForeignSubsidiariesMember