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Employee Benefit Plans (Tables)
 3 Months Ended
Jun. 02, 2018
Retirement Benefits [Abstract]  
Components of net periodic benefit cost
Components of net periodic benefit cost were:
 
 
Three Months Ended
In thousands
 
June 2, 2018
 
June 3, 2017
Interest cost
 
$
127

 
$
133

Expected return on assets
 
(10
)
 
(10
)
Amortization of unrecognized net loss
 
57

 
57

Net periodic benefit cost
 
$
174

 
$
180