Condensed Consolidating Statements of Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended															3 Months Ended							12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 JDA Software Group, Inc. [Member]	Dec. 31, 2010 JDA Software Group, Inc. [Member]	Dec. 31, 2009 JDA Software Group, Inc. [Member]	Dec. 31, 2011 Guarantor Subsidiaries [Member]	Dec. 31, 2010 Guarantor Subsidiaries [Member]	Dec. 31, 2009 Guarantor Subsidiaries [Member]	Dec. 31, 2011 Non-Guarantor Subsidiaries [Member]	Dec. 31, 2010 Non-Guarantor Subsidiaries [Member]	Dec. 31, 2009 Non-Guarantor Subsidiaries [Member]	Dec. 31, 2011 Eliminations [Member]	Dec. 31, 2010 Eliminations [Member]	Dec. 31, 2009 Eliminations [Member]	Sep. 30, 2011 As Restated [Member]	Jun. 30, 2011 As Restated [Member]	Mar. 31, 2011 As Restated [Member]	Dec. 31, 2010 As Restated [Member]	Sep. 30, 2010 As Restated [Member]	Jun. 30, 2010 As Restated [Member]	Mar. 31, 2010 As Restated [Member]	Dec. 31, 2010 As Restated [Member]		Dec. 31, 2009 As Restated [Member]		Dec. 31, 2010 As Restated [Member] Guarantor Subsidiaries [Member]	Dec. 31, 2009 As Restated [Member] Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Software licenses		$ 140,217			$ 0	$ 0	$ 0	$ 140,030			$ 187	$ 0	$ 0	$ 0	$ 0	$ 0								$ 91,490	[1]	$ 91,789	[1]	$ 91,490	$ 91,789
Subscriptions and other recurring revenues		16,763			0	0	0	16,763			0	0	0	0	0	0								21,143	[1]	3,873	[1]	21,143	3,873
Maintenance services		265,785			0	0	0	186,953			78,832	73,457	66,589	0	0	0								245,777	[1]	179,256	[1]	172,320	112,667
Product revenues		422,765			0	0	0	343,746			79,019	73,457	66,589	0	0	0								358,410	[1]	274,918	[1]	284,953	208,329
Consulting services		245,046			0	0	0	161,560			83,486	64,482	40,057	0	0	0								215,470	[1]	105,990	[1]	150,988	65,933
Reimbursed expenses		23,432			0	0	0	14,781			8,651	6,482	3,188	0	0	0								19,862	[1]	10,060	[1]	13,380	6,872
Service revenues		268,478			0	0	0	176,341			92,137	70,964	43,245	0	0	0								235,332	[1]	116,050	[1]	164,368	72,805
Total revenues	185,104	691,243			0	0	0	520,087			171,156	144,421	109,834	0	0	0	173,099	165,522	167,518	162,909	155,984	148,567	126,282	593,742	[1]	390,968	[1]	449,321	281,134
Cost of software licenses		4,158			0	0	0	4,158			0	0	0	0	0	0								4,256	[1]	3,241	[1]	4,256	3,241
Amortization of acquired software technology		7,095			0	0	0	7,095			0	0	0	0	0	0								7,047	[1]	3,920	[1]	7,047	3,920
Cost of maintenance services		55,891			0	0	0	35,372			20,519	17,633	11,619	0	0	0								52,538	[1]	43,106	[1]	34,905	31,487
Cost of product revenues		67,144			0	0	0	46,625			20,519	17,633	11,619	0	0	0								63,841	[1]	50,267	[1]	46,208	38,648
Cost of consulting services		180,977			0	0	0	111,705			69,272	50,575	29,992	0	0	0								171,043	[1]	85,098	[1]	120,468	55,106
Reimbursed expenses		23,432			0	0	0	14,781			8,651	6,481	3,188	0	0	0								19,862	[1]	10,060	[1]	13,381	6,872
Cost of service revenues		204,409			0	0	0	126,486			77,923	57,056	33,180	0	0	0								190,905	[1]	95,158	[1]	133,849	61,978
Total cost of revenues		271,553			0	0	0	173,111			98,442	74,689	44,799	0	0	0								254,746	[1]	145,425	[1]	180,057	100,626
Gross Profit	119,739	419,690			0	0	0	346,976			72,714	69,732	65,035	0	0	0	106,172	94,051	99,728	94,948	88,054	83,920	72,074	338,996	[1]	245,543	[1]	269,264	180,508
Product development		76,898			0	0	0	47,130			29,768	25,982	10,777	0	0	0								72,723	[1]	51,215	[1]	46,741	40,438
Sales and marketing		104,128			0	0	0	61,713			42,415	33,615	25,065	0	0	0								91,341	[1]	65,989	[1]	57,726	40,924
General and administrative		72,493			882	0	0	56,772			14,839	13,935	9,080	0	0	0								72,112	[1]	47,580	[1]	58,177	38,500
Amortization of intangibles		38,421			0	0	0	38,421			0	0	0	0	0	0								38,415	[1]	23,633	[1]	38,415	23,633
Restructuring charges		1,922	20,931	6,865	0	0	0	551			1,371	8,776	3,142	0	0	0								20,931	[1]	6,865	[1]	12,155	3,723
Acquisition-related costs		0				0	0					0	0		0	0								8,115	[1]	4,768	[1]	8,115	4,768
Litigation settlement		1,500			0	0		1,500			0	0		0	0									14,000	[1]	0	[1]	14,000
Total operating expenses		295,362			882	0	0	206,087			88,393	82,308	48,064	0	0	0								317,637	[1]	200,050	[1]	235,329	151,986
OPERATING INCOME	(7,477)	124,328			(882)	0	0	140,889			(15,679)	(12,576)	16,971	0	0	0	(35,524)	(23,050)	(58,277)	(5,830)	(18,385)	(5,678)	8,534	21,359	[1]	45,493	[1]	33,935	28,522
Interest expense and amortization of loan fees		25,500			24,719	23,943	2,000	552			229	232	174	0	0	0								24,758		2,712		583	538
Finance costs on abandoned acquisition		0					(767)						0			0								0	[1]	(767)	[1]		0
Interest income and other, net		(3,791)			(535)	0	0	30,543			(33,799)	(31,585)	9,032	0	0	0								(1,478)		(1,213)		30,107	(10,245)
Income tax provision		19,931			(9,362)	(9,220)	(469)	28,269			1,024	5,201	2,187	0	0	0								(4,062)	[1]	17,186	[1]	(43)	15,468
Equity in earnings of subsidiaries, net		0			98,392	16,864	28,339	(8,679)			0	0	0	(89,713)	(25,762)	(30,738)								0		0		8,898	2,399
Net income (loss)		82,688	2,141	27,575	82,688	2,141	27,575	72,846	12,186	25,160	16,867	13,576	5,578	(89,713)	(25,762)	(30,738)								2,141	[1]	27,575	[1]	12,186	25,160
Cash consideration paid for Series B preferred stock in excess of carrying value		0		(8,593)			(8,593)						0			0								0	[1]	(8,593)	[1]		0
Net Income (Loss) Available to Common Stockholders, Basic	$ (3,575)	$ 82,688					$ 18,982						$ 5,578			$ (30,738)	$ (18,287)	$ (12,713)	$ (48,113)	$ (3,999)	$ (8,863)	$ 431	$ 10,290	$ 2,141	[1]	$ 18,982	[1]		$ 25,160

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