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Note 3 - Acquisitions (Details) | 12 Months Ended
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Apr. 30, 2014
Note 3 - Acquisitions (Details) [Line Items] |
Number Of Stores Opened | 25
Number Of Stores Closed | 1
Number Of Stores Expected To Open In Next Fiscal Year | 2
Goodwill Deductible for Income Tax Purposes Period | 15 years
Stores [Member] |
Note 3 - Acquisitions (Details) [Line Items] |
Number of Businesses Acquired | 28

X
- Definition Goodwill deductible for income tax purposes, period. + References No definition available. + Details
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- Details
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X
- Definition Number of stores closed. + References No definition available. + Details
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Namespace Prefix: | casy_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of stores expected to open in next fiscal year. + References No definition available. + Details
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- Definition Number of stores opened in the period. + References No definition available. + Details
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- Definition The number of businesses acquired by the entity during the period. + References No definition available. + Details
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