Pension Plan (Tables)

3 Months Ended

May 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
	May 31,
	2018			2017
Components of net periodic benefit cost
Service cost	$	277		$	271
Interest cost		568			568
Expected return on plan assets		(1,027	)		(949	)
Amortization of:
Unrecognized net loss		511			510
Net periodic benefit cost	$	329		$	400