Note 16. Equity Incentive Plans and Employee Benefits (Details) - Contributions to Retirement Pension Plans (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Nov. 02, 2013		Oct. 27, 2012		Nov. 02, 2013		Oct. 27, 2012
Defined Benefit Plan Disclosure [Line Items]
Matching contributions	$ 172		$ 177		$ 664		$ 319
Denmark [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching contributions	53		47		162		142
Taiwan [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching contributions	32		38		109		85
The Netherlands [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching contributions	75	[1]	92	[1]	327	[1]	92
Germany [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching contributions	$ 12	[1]		[1]	$ 66	[1]

[1] As a result of our acquisition of the DTV business, we added operations in The Netherlands and Germany in May 2013.