Note 9. Intangible Assets (Details) - Intangible Assets Schedule (USD $)	6 Months Ended	12 Months Ended
	Aug. 03, 2013	Feb. 02, 2013
Acquired intangible assets:
Gross Value	$ 101,457,000	$ 98,275,000
Cumulative Impairment	(67,068,000)	(61,702,000)
Accumulated Amortization and Effect of Currency Translation	34,389,000	36,573,000
Purchased Intellectual Property - not yet deployed [Member]
Acquired intangible assets:
Gross Value	9,084,000
Accumulated Amortization and Effect of Currency Translation	9,084,000
Purchased IP-Amortizing [Member]
Acquired intangible assets:
Gross Value		6,100,000
Accumulated Amortization and Effect of Currency Translation		6,100,000
Developed Technology Rights [Member]
Acquired intangible assets:
Gross Value	52,024,000	52,025,000
Cumulative Impairment	(37,470,000)	(34,567,000)
Accumulated Amortization and Effect of Currency Translation	14,554,000	17,458,000
Net Value	3,500	3,600
Customer Relationships [Member]
Acquired intangible assets:
Gross Value	20,219,000	20,218,000
Cumulative Impairment	(16,415,000)	(15,782,000)
Accumulated Amortization and Effect of Currency Translation	3,804,000	4,436,000
Net Value	3,400	3,600
Trademarks [Member]
Acquired intangible assets:
Gross Value	2,677,000	2,678,000
Cumulative Impairment	(2,043,000)	(1,983,000)
Accumulated Amortization and Effect of Currency Translation	634,000	695,000
Net Value	5,600	5,900
Noncompete Agreements [Member]
Acquired intangible assets:
Gross Value	1,400,000	1,400,000
Cumulative Impairment	(1,400,000)	(1,400,000)
Purchased IP-Amortizing [Member]
Acquired intangible assets:
Gross Value	16,053,000	15,854,000
Cumulative Impairment	(9,740,000)	(7,970,000)
Accumulated Amortization and Effect of Currency Translation	6,313,000	7,884,000
Net Value	1,900	2,400
Acquired Intangible Assets Subtotal [Member]
Acquired intangible assets:
Gross Value	92,373,000	92,175,000
Cumulative Impairment	(67,068,000)	(61,702,000)
Accumulated Amortization and Effect of Currency Translation	25,305,000	30,473,000
Net Value	$ 3,100	$ 3,400