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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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Namespace Prefix: | cfi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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

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- 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

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- 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 + Details
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Balance Type: | debit
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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
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration