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Accounts Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
Feb. 01, 2015
Apr. 27, 2014
Jan. 26, 2014
Apr. 28, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Customers $ 31,952us-gaap_AccountsReceivableGrossCurrent $ 28,461us-gaap_AccountsReceivableGrossCurrent $ 27,424us-gaap_AccountsReceivableGrossCurrent  
Accounts receivable, net 30,774us-gaap_AccountsReceivableNetCurrent 27,409us-gaap_AccountsReceivableNetCurrent [1] 26,392us-gaap_AccountsReceivableNetCurrent  
Allowance for doubtful accounts [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Valuation allowance, balance (449)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= us-gaap_AllowanceForDoubtfulAccountsCurrentMember
(573)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= us-gaap_AllowanceForDoubtfulAccountsCurrentMember
(484)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= us-gaap_AllowanceForDoubtfulAccountsCurrentMember
(780)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= us-gaap_AllowanceForDoubtfulAccountsCurrentMember
Reserve for returns and allowances and discounts [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Valuation allowance, balance $ (729)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= cfi_ReserveForReturnsAndAllowancesAndDiscountsMember
$ (479)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= cfi_ReserveForReturnsAndAllowancesAndDiscountsMember
$ (548)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= cfi_ReserveForReturnsAndAllowancesAndDiscountsMember
$ (543)us-gaap_ValuationAllowancesAndReservesBalance
/ us-gaap_ValuationAllowancesAndReservesTypeAxis
= cfi_ReserveForReturnsAndAllowancesAndDiscountsMember
[1] Derived from audited financial statements.