Postretirement and Other Employee Benefits (Tables)

3 Months Ended

Nov. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Information about 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, 2014 and 2013 (in thousands):

	Three months ended
	November 30, 2014			November 30, 2013
Service cost	$	282		$	309
Interest cost		1,468			1,665
Expected long-term return on plan assets		(1,521	)		(1,499	)
Recognized actuarial loss		515			650
Amortization of prior service cost		(41	)		(61	)
Net periodic benefit cost	$	703		$	1,064