Pension Plan (Tables)

6 Months Ended

Aug. 31, 2017

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,
	2017			2016			2017			2016
Components of net periodic benefit cost
Service cost	$	270		$	292		$	541		$	583
Interest cost		567			593			1,135			1,186
Expected return on plan assets		(948	)		(916	)		(1,897	)		(1,832	)
Amortization of:
Unrecognized net loss		511			670			1,021			1,341
Net periodic benefit cost	$	400		$	639		$	800		$	1,278