Fair Value Measurements (Schedule of Assets Measure at Fair Value on Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 02, 2013	Feb. 02, 2013	Oct. 27, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund	$ 10,265	$ 5,259	$ 5,257
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund	10,265	5,259	5,257
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents - money market fund