XML 36 R23.htm IDEA: XBRL DOCUMENT v3.8.0.1
Benefit Plans (Tables)
9 Months Ended
Oct. 28, 2017
Compensation and Retirement Disclosure [Abstract]  
Schedule of components of net periodic benefit costs
 
The components of net periodic benefit costs are as follows (in thousands): 
 
 
Three Months Ended
 
Nine Months Ended
 
 
October 28,
2017
 
October 29,
2016
 
October 28,
2017
 
October 29,
2016
Components of net periodic benefit costs:
 
 

 
 

 
 

 
 

Service cost
 
$
874

 
$
983

 
$
2,620

 
$
2,950

Interest cost
 
1,807

 
1,920

 
5,422

 
5,759

Net actuarial loss
 

 
301

 

 
903

Net periodic benefit costs
 
$
2,681

 
$
3,204

 
$
8,042

 
$
9,612

 Net periodic benefit costs are included in selling, general and administrative expenses.