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Stock-Based Compensation - Other Share-Based Arrangements - Narrative (Detail) (Stock Appreciation Rights (SARs) [Member], USD $)	6 Months Ended
	Oct. 28, 2012	Oct. 30, 2011
Stock Appreciation Rights (SARs) [Member]
Share-based Goods and Nonemployee Services Transaction [Line Items]
Agreement date	May 02, 2011
Number of shares indexed	70,000
Cash settlement	$ 35,000
Stock appreciation right value	700,000
Closing price of common stock at the date of grant	$ 10
Ceiling price of common stock under stock appreciation right award	$ 12
Payment for fully vested award at fair value	174,000
Compensation expense	$ 40,000	$ 29,000

X

- Definition

The amount of expense reported during the period resulting from stock appreciation rights awarded to a non-employee.

+ References

No definition available.

+ Details

Name:	cfi_ShareBasedGoodsAndNonemployeeServicesTransactionExpenseForStockAppreciationRightAwarded
Namespace Prefix:	cfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The number of entity's shares indexed to a stock appreciation right for a specific period of time.

+ References

No definition available.

+ Details

Name:	cfi_ShareBasedGoodsAndNonemployeeServicesTransactionNumberOfSharesIndexedForStockAppreciationRightAwarded
Namespace Prefix:	cfi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The closing price per share of the indexed shares associated with a stock appreciation right award, above which market price appreciation will inure to the benefit of the rights holder.

+ References

No definition available.

+ Details

Name:	cfi_ShareBasedGoodsAndNonemployeeServicesTransactionStockAppreciationRightBasePricePerShare
Namespace Prefix:	cfi_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The aggregate base value of the indexed shares associated with a stock appreciation right award, determined by applying the closing price per indexed share on the award date, above which market price appreciation will inure to the benefit of the rights holder.

+ References

No definition available.

+ Details

Name:	cfi_ShareBasedGoodsAndNonemployeeServicesTransactionStockAppreciationRightBaseValue
Namespace Prefix:	cfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The agreed upon price per indexed share used in determining the maximum amount of benefit that will inure to the holder of stock appreciation rights.

+ References

No definition available.

+ Details

Name:	cfi_ShareBasedGoodsAndNonemployeeServicesTransactionStockAppreciationRightCeilingPricePerShare
Namespace Prefix:	cfi_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The fair value amount the entity paid to a non-employee when the terms of an award of stock appreciation rights were fully satisfied.

+ References

No definition available.

+ Details

Name:	cfi_ShareBasedGoodsAndNonemployeeServicesTransactionStockAppreciationRightVestedPaymentAmount
Namespace Prefix:	cfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount the entity agreed to pay to the holder of stock appreciation rights, regardless of the market price of the entity's stock.

+ References

No definition available.

+ Details

Name:	cfi_StockAppreciationRightAgreedUponMinimumCashValue
Namespace Prefix:	cfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The date on which stock appreciation rights were awarded to non-employees.

+ References

No definition available.

+ Details

Name:	cfi_StockAppreciationRightAgreementDate
Namespace Prefix:	cfi_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration