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Cash Flow Information - Narrative (Detail) (USD $)	3 Months Ended		12 Months Ended
	Aug. 03, 2014	Jul. 28, 2013	Apr. 27, 2014
Cash Flow Supplemental Disclosures [Line Items]
Interest cost capitalized	$ 30,000	$ 0
Common stock surrendered for withholding taxes liabilities	18,000		15,000
Time Vested Restricted Stock Awards [Member]
Cash Flow Supplemental Disclosures [Line Items]
Common stock surrendered for withholding taxes liabilities, shares	995	989
Common stock surrendered for withholding taxes liabilities	$ 18,000	$ 15,000
Number of shares vesting	3,334	3,333

X

- Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that are vesting.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Allowance for Funds Used during Construction

-URI http://asc.fasb.org/extlink&oid=6504829



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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