XML 46 R20.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 1 - The Company and Operations (Details) | 12 Months Ended
--- | ---
Sep. 30, 2013
Disclosure Text Block [Abstract] |
Number of States Licensed | 7

X
- Definition Number of States Licensed + References No definition available. + Details
Name: | djco_NumberOfStateLicensed
Namespace Prefix: | djco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration