XML 54 R26.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Note A - Organization and Business (Detail) | 6 Months Ended
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Oct. 31, 2012
Number of Operating Subsidiaries | 2
Number of Stores | 117

X
- Definition Number of Operating Subsidiaries + References No definition available. + Details
Name: | crmt_NumberOfOperatingSubsidiaries
Namespace Prefix: | crmt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant