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Defined Benefit Plans (Tables)
3 Months Ended
May 02, 2015
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic defined benefit pension cost
The components of net periodic defined benefit pension cost for the three months ended May 2, 2015 and May 3, 2014 related to the SERP were as follows (in thousands):    
 
Three Months Ended
 
May 2, 2015
 
May 3, 2014
Interest cost
$
496

 
$
572

Net amortization of unrecognized prior service credit
(58
)
 
(58
)
Net amortization of actuarial losses
428

 
234

Net periodic defined benefit pension cost
$
866

 
$
748