Income Taxes - Carryforwards (Details) (USD $) In Thousands, unless otherwise specified	Jan. 28, 2012
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards and Tax Credit Carryforward	$ 25,327
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	19,019
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	1,092
California Enterprise Zone [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	4,931
Texas Business Loss [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 285