Postretirement and Other Employee Benefits (Tables)

3 Months Ended

Nov. 30, 2012

Net Periodic Benefit Cost for Pension Plans

The following table provides information about net periodic benefit cost for the pension plans during the three months ended November 30, 2012 and 2011 (in thousands):

	Three months ended
	November 30, 2012			November 30, 2011
Service cost	$	516		$	317
Interest cost		1,925			1,655
Expected long-term return on plan assets		(1,742	)		(1,239	)
Amortization of prior service cost		(6	)		(7	)
Recognized actuarial loss		681			304
Net periodic benefit cost	$	1,374		$	1,030