Note 9. Intangible Assets (Details) - Intangible Assets Schedule (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Nov. 02, 2013	Feb. 02, 2013
Acquired intangible assets:
Gross Value	$ 101,411	$ 98,275
Cumulative Impairment	(69,715)	(61,702)
Accumulated Amortization and Effect of Currency Translation	31,696	36,573
Purchased Intellectual Property - not yet deployed [Member]
Acquired intangible assets:
Gross Value	9,037
Accumulated Amortization and Effect of Currency Translation	9,037
Purchased IP-Amortizing [Member]
Acquired intangible assets:
Gross Value		6,100
Accumulated Amortization and Effect of Currency Translation		6,100
Developed Technology Rights [Member]
Acquired intangible assets:
Gross Value	52,025	52,025
Cumulative Impairment	(38,908)	(34,567)
Accumulated Amortization and Effect of Currency Translation	13,117	17,458
Net Value	3 years 36 days	3 years 219 days
Customer Relationships [Member]
Acquired intangible assets:
Gross Value	20,218	20,218
Cumulative Impairment	(16,730)	(15,782)
Accumulated Amortization and Effect of Currency Translation	3,488	4,436
Net Value	2 years 328 days	3 years 219 days
Trademarks [Member]
Acquired intangible assets:
Gross Value	2,678	2,678
Cumulative Impairment	(2,074)	(1,983)
Accumulated Amortization and Effect of Currency Translation	604	695
Net Value	5 years 36 days	5 years 328 days
Noncompete Agreements [Member]
Acquired intangible assets:
Gross Value	1,400	1,400
Cumulative Impairment	(1,400)	(1,400)
Purchased IP-Amortizing [Member]
Acquired intangible assets:
Gross Value	16,053	15,854
Cumulative Impairment	(10,603)	(7,970)
Accumulated Amortization and Effect of Currency Translation	5,450	7,884
Net Value	1 year 255 days	2 years 146 days
Acquired Intangible Assets Subtotal [Member]
Acquired intangible assets:
Gross Value	92,374	92,175
Cumulative Impairment	(69,715)	(61,702)
Accumulated Amortization and Effect of Currency Translation	$ 22,659	$ 30,473
Net Value	2 years 292 days	3 years 146 days