Pension Plan (Tables)

3 Months Ended

May. 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 May 31,
	2015			2014
Components of net periodic benefit cost
Service cost	$	325		$	281
Interest cost		592			612
Expected return on plan assets		(982	)		(964	)
Amortization of:
Prior service cost		(21	)		(36	)
Unrecognized net loss		638			381
Net periodic benefit cost	$	552		$	274