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8. Employee Benefit Plans (Details) - Schedule of Net Benefit Costs (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 04, 2013
Jul. 29, 2012
Aug. 04, 2013
Jul. 29, 2012
Net periodic benefit cost        
Service cost $ 64 $ 64 $ 128 $ 128
Interest cost 73 74 146 148
Actuarial gain (26) (14) (53) (29)
Net periodic benefit cost $ 111 $ 124 $ 221 $ 247