Condensed Consolidating Financial Information Condensed Consolidating Statements of Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010		Dec. 31, 2009
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	$ 82,688	$ 2,141		$ 27,575
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	(6,238)	4,335		5,281
Unrealized gains (losses) on cash flow hedges, net of tax	(5,074)
Reclassification adjustment for gains (losses) in net income	882
Net change in other comprehensive (loss) income	(10,430)
Comprehensive (loss) income	72,258
JDA Software Group, Inc. [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	82,688	2,141		27,575
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	(6,238)	4,335		5,281
Unrealized gains (losses) on cash flow hedges, net of tax	(5,074)	375		0
Reclassification adjustment for gains (losses) in net income	882	0		0
Net change in other comprehensive (loss) income	(10,430)	4,710		5,281
Comprehensive (loss) income	72,258	6,851		32,856
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	72,846	12,186		25,160
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	1,313	(6,472)		1,741
Unrealized gains (losses) on cash flow hedges, net of tax	0	0		0
Reclassification adjustment for gains (losses) in net income	0	0		0
Net change in other comprehensive (loss) income	1,313	(6,472)		1,741
Comprehensive (loss) income	74,159	5,714		26,901
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	16,867	13,576		5,578
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	1,946	964		(4,778)
Unrealized gains (losses) on cash flow hedges, net of tax	0	0		0
Reclassification adjustment for gains (losses) in net income	0	0		0
Net change in other comprehensive (loss) income	1,946	964		(4,778)
Comprehensive (loss) income	18,813	14,540		800
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	(89,713)	(25,762)		(30,738)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax	(3,259)	5,508		3,037
Unrealized gains (losses) on cash flow hedges, net of tax	0	0		0
Reclassification adjustment for gains (losses) in net income	0	0		0
Net change in other comprehensive (loss) income	(3,259)	5,508		3,037
Comprehensive (loss) income	(92,972)	(20,254)		(27,701)
As Restated [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)		2,141	[1]	27,575	[1]
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax		4,335	[1]	5,281	[1]
Unrealized gains (losses) on cash flow hedges, net of tax		375	[1]	0	[1]
Reclassification adjustment for gains (losses) in net income		0	[1]	0	[1]
Net change in other comprehensive (loss) income		4,710	[1]	5,281	[1]
Comprehensive (loss) income		6,851	[1]	32,856	[1]
As Restated [Member] | Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net income (loss)		$ 12,186		$ 25,160

[1] As restated - See Note 23 “Restatement of Previously Issued Financial Statements” of Notes to Consolidated Financial Statements.