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Fair Value Measurements (Schedule of Assets Measure at Fair Value on Recurring Basis) (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 01, 2014
Feb. 01, 2014
Nov. 02, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents - money market fund $ 5,277 $ 10,269 $ 10,265
Level 1 [Member]
      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents - money market fund 5,277 10,269 10,265
Level 2 [Member]
      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents - money market fund 0 0 0
Level 3 [Member]
      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash equivalents - money market fund $ 0 $ 0 $ 0