Loss Contingency, Alleged Patent Infringements Countersuit as Filed, Number

No definition available.

Name:	jdas_LossContingencyAllegedPatentInfringementsCountersuitAsFiledNumber
Namespace Prefix:	jdas_
Data Type:	xbrli:integerItemType
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- Definition

Loss Contingency, Patent Infringements as filed

+ References

No definition available.

+ Details

Name:	jdas_LossContingencyPatentInfringementsAsFiled
Namespace Prefix:	jdas_
Data Type:	xbrli:integerItemType
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- Definition

Loss contingency settlement credit amount for services

+ References

No definition available.

+ Details

Name:	jdas_LossContingencySettlementNoncashCreditAmountForServices
Namespace Prefix:	jdas_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of Years to Use Court Awarded Technical Support Credit

+ References

No definition available.

+ Details

Name:	jdas_NumberOfYearsToUseCourtAwardedTechnicalSupportCredit
Namespace Prefix:	jdas_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The charge against earnings in the period to increase loss contingency liabilities, net of any adjustments to reduce previously estimated charges.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_LossContingencyAccrualCarryingValueProvision
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 27

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Legal Proceedings (Details) (USD $)	3 Months Ended	9 Months Ended	0 Months Ended	12 Months Ended	3 Months Ended
Legal Proceedings (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2012	Apr. 12, 2012 Sky Technologies LLC [Member]	Dec. 31, 2011 Sky Technologies LLC [Member]	Sep. 30, 2011 Oracle [Member] i2 [Member] Y	Apr. 22, 2010 Oracle [Member] i2 [Member] patents	Apr. 29, 2009 Oracle [Member] i2 [Member] patents
Loss Contingencies [Line Items]
Loss contingency, patent infringements as filed (patents)							11
Loss contingency, alleged patent infringements countersuit as filed, number (cases)						4
Litigation settlement	$ 0	$ 0			$ 35,000,000
Litigation settlement, noncash credit amount for services					2,500,000
Number of years to use court awarded technical support credit ( in years)					2
Loss Contingency Accrual, Carrying Value, Provision				4,000,000
Payments for legal settlements			$ 4,000,000