Supplemental Guarantor Condensed Consolidating Financials - Condensed Consolidating Statements of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Supplemental Condensed Consolidating Statement of Income
Net revenues	$ 107,686	$ 104,621
Cost of revenues	47,205	41,215
Gross profit	60,481	63,406
Operating expenses:
Research and development	14,287	12,220
Selling, general and administrative	31,072	29,516
Amortization expense for acquired intangible assets	3,306	8,520
Restructuring credits	0	(46)
Total operating expenses	47,441	48,873
(Loss) income from operations	13,040	14,533
Interest and other income (expense), net	(18,857)	(16,510)
(Loss) income before income taxes	(5,817)	(1,977)
(Benefit from) provision for income taxes	1,613	(1,016)
Equity in (losses) earnings of subsidiaries	0	0
Net (loss) income	(7,430)	(961)
Less: Net loss attributable to noncontrolling interest	(292)	0
Net (loss) income attributable to Aspect Software Group Holdings Ltd.	(7,138)	(961)
Parent [Member]
Supplemental Condensed Consolidating Statement of Income
Net revenues	0	0
Cost of revenues	0	0
Gross profit	0	0
Operating expenses:
Research and development	0	0
Selling, general and administrative	44	50
Restructuring credits		0
Total operating expenses	44	50
(Loss) income from operations	(44)	(50)
Interest and other income (expense), net	8	8
(Loss) income before income taxes	(36)	(42)
(Benefit from) provision for income taxes	0	0
Equity in (losses) earnings of subsidiaries	(7,101)	(919)
Net (loss) income	(7,137)	(961)
Less: Net loss attributable to noncontrolling interest	0
Net (loss) income attributable to Aspect Software Group Holdings Ltd.	(7,137)
Issuer / Guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Income
Net revenues	72,943	70,935
Cost of revenues	34,685	30,655
Gross profit	38,258	40,280
Operating expenses:
Research and development	11,274	10,206
Selling, general and administrative	19,269	19,932
Restructuring credits		(44)
Total operating expenses	32,335	37,007
(Loss) income from operations	5,923	3,273
Interest and other income (expense), net	(16,040)	(4,415)
(Loss) income before income taxes	(10,117)	(1,142)
(Benefit from) provision for income taxes	894	(40)
Equity in (losses) earnings of subsidiaries	3,910	183
Net (loss) income	(7,101)	(919)
Less: Net loss attributable to noncontrolling interest	0
Net (loss) income attributable to Aspect Software Group Holdings Ltd.	(7,101)
Non-guarantor Subsidiaries [Member]
Supplemental Condensed Consolidating Statement of Income
Net revenues	39,257	40,116
Cost of revenues	17,034	16,990
Gross profit	22,223	23,126
Operating expenses:
Research and development	3,013	2,014
Selling, general and administrative	11,759	9,534
Restructuring credits		(2)
Total operating expenses	15,062	11,816
(Loss) income from operations	7,161	11,310
Interest and other income (expense), net	(2,825)	(12,103)
(Loss) income before income taxes	4,336	(793)
(Benefit from) provision for income taxes	719	(976)
Equity in (losses) earnings of subsidiaries	0	0
Net (loss) income	3,617	183
Less: Net loss attributable to noncontrolling interest	(292)
Net (loss) income attributable to Aspect Software Group Holdings Ltd.	3,909
Eliminations [Member]
Supplemental Condensed Consolidating Statement of Income
Net revenues	(4,514)	(6,430)
Cost of revenues	(4,514)	(6,430)
Gross profit	0	0
Operating expenses:
Research and development	0	0
Selling, general and administrative	0	0
Restructuring credits		0
Total operating expenses	0	0
(Loss) income from operations	0	0
Interest and other income (expense), net	0	0
(Loss) income before income taxes	0	0
(Benefit from) provision for income taxes	0	0
Equity in (losses) earnings of subsidiaries	3,191	736
Net (loss) income	3,191	736
Less: Net loss attributable to noncontrolling interest	0
Net (loss) income attributable to Aspect Software Group Holdings Ltd.	3,191
Operating expenses [Member]
Operating expenses:
Amortization expense for acquired intangible assets	2,082	7,183
Operating expenses [Member] | Parent [Member]
Operating expenses:
Amortization expense for acquired intangible assets	0	0
Operating expenses [Member] | Issuer / Guarantor Subsidiaries [Member]
Operating expenses:
Amortization expense for acquired intangible assets	1,792	6,913
Operating expenses [Member] | Non-guarantor Subsidiaries [Member]
Operating expenses:
Amortization expense for acquired intangible assets	290	270
Operating expenses [Member] | Eliminations [Member]
Operating expenses:
Amortization expense for acquired intangible assets	$ 0	$ 0