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8. Employee Benefit Plans (Detail) - Schedule of Net Benefit Costs (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 05, 2013
Apr. 29, 2012
Net periodic benefit cost    
Service cost $ 64 $ 64
Interest cost 73 74
Actuarial gain (26) (15)
Net periodic benefit cost $ 111 $ 124