Pension Plan (Tables)

6 Months Ended

Aug. 31, 2018

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						Six months ended
	August 31,						August 31,
	2018			2017			2018			2017
Components of net periodic benefit cost
Service cost	$	276		$	270		$	553		$	541
Interest cost		569			567			1,137			1,135
Expected return on plan assets		(1,027	)		(948	)		(2,054	)		(1,897	)
Amortization of:
Unrecognized net loss		512			511			1,023			1,021
Net periodic benefit cost	$	330		$	400		$	659		$	800