Pension Plan (Tables)

3 Months Ended

May 31, 2013

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,
	2013			2012
Components of net periodic benefit cost
Service cost	$	315		$	321
Interest cost		601			600
Expected return on plan assets		(872	)		(802	)
Amortization of:
Prior service cost		(36	)		(36	)
Unrecognized net loss		512			456
Net periodic benefit cost	$	520		$	539