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Supplemental Executive Retirement Plan (Tables)
6 Months Ended
Aug. 02, 2014
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic pension cost
The components of net periodic pension cost for the three and six months ended August 2, 2014 and August 3, 2013 were as follows (in thousands):    
 
Three Months Ended
 
Six Months Ended
 
Aug 2, 2014
 
Aug 3, 2013
 
Aug 2, 2014
 
Aug 3, 2013
Interest cost
$
572

 
$
586

 
$
1,144

 
$
1,172

Net amortization of unrecognized prior service (credit) cost
(58
)
 
156

 
(116
)
 
311

Net amortization of actuarial losses
235

 
277

 
469

 
554

Net periodic defined benefit pension cost
$
749

 
$
1,019

 
$
1,497

 
$
2,037