Postretirement and Other Employee Benefits (Tables)

9 Months Ended

May 31, 2017

Postretirement and Other Employee Benefits [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 and nine months ended May 31, 2017 and 2016 (in thousands):
			Three months ended				Nine months ended
			May 31,		May 31,		May 31,		May 31,
			2017		2016		2017		2016
	Service cost		$	259	$	222	$	771	$	662
	Interest cost			744		1,208		2,222		3,693
	Expected long-term return on plan assets			(1,127)		(1,383)		(3,365)		(4,243)
	Recognized actuarial loss			479		264		1,422		790
	Amortization of prior service credit			(34)		(35)		(101)		(104)
	Net periodic benefit cost		$	321	$	276	$	949	$	798