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Stock-Based Compensation - Other Share-Based Arrangements - Narrative (Detail) (USD $)	12 Months Ended	3 Months Ended	12 Months Ended
	May 01, 2011 Non-employee [Member]	Jul. 29, 2012 Stock Appreciation Rights (SARs) [Member]	Apr. 28, 2013 Stock Appreciation Rights (SARs) [Member]	Apr. 28, 2013 Stock Appreciation Rights (SARs) [Member] Selling, general and administrative expense [Member]	Apr. 29, 2012 Stock Appreciation Rights (SARs) [Member] Selling, general and administrative expense [Member]	Apr. 29, 2012 Stock Appreciation Rights (SARs) [Member] Accrued Expense [Member]
Share-based Goods and Nonemployee Services Transaction [Line Items]
Share-based compensation agreement, cash settlement amount	$ 644,000
Share-based compensation agreement, number of shares indexed	68,260
Share-based compensation agreement, closing price of common stock	$ 9.44
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			$ 10.00
Ceiling price of common stock under stock appreciation right award			$ 12.00
Payment for fully vested award at fair value		174,000				134,000
Compensation expense				$ 40,000	$ 134,000

X

- Definition

The amount of cash payment made as settlement to a share-based compensation agreement.

+ References

No definition available.

+ Details

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

X

- Definition

The closing price per share of the indexed shares for cash settlement under a share-based compensation agreement.

+ References

No definition available.

+ Details

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

X

- Definition

The number of entity's shares indexed to determine the cash settlement value under a share-based compensation agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cfi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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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

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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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration