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Pension Plan (Tables)
6 Months Ended
Aug. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Summary of Pension Expense Composed of Components Included in Cost of Goods Sold and Selling, General and Administrative Expenses

Pension expense is composed of the following components included in cost of goods sold and selling, general and administrative expenses in the Company’s consolidated statements of earnings (in thousands):

 

     Three months ended
August 31,
     Six months ended
August 31,
 
     2015      2014      2015      2014  

Components of net periodic benefit cost

           

Service cost

   $ 326       $ 280       $ 651       $ 561   

Interest cost

     592         612         1,184         1,224   

Expected return on plan assets

     (982      (964      (1,964      (1,928

Amortization of:

           

Prior service cost

     (22      (36      (43      (72

Unrecognized net loss

     637         381         1,275         762   
  

 

 

    

 

 

    

 

 

    

 

 

 

Net periodic benefit cost

   $ 551       $ 273       $ 1,103       $ 547