Pension and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Mar. 31, 2016

Pension and Other Postretirement Benefit Plans [Abstract]

Net periodic pension and other postretirement benefit cost

Net periodic pension and other postretirement benefit cost for the plans included the following:

	Three months ended March 31,
	Pension						Other Postretirement
	2016			2015			2016			2015
Service cost	$	1,813		$	1,655		$	101		$	114
Interest cost		2,406			2,145			221			221
Expected return on plan assets		(2,407	)		(2,470	)		-			-
Amortization:
Prior service cost		(46	)		(45	)		(49	)		(49	)
Net actuarial loss		1,866			1,564			-			-
Net benefit cost	$	3,632		$	2,849		$	263		$	286

	Six months ended March 31,
	Pension						Other Postretirement
	2016			2015			2016			2015
Service cost	$	3,626		$	3,310		$	202		$	228
Interest cost		4,812			4,290			442			442
Expected return on plan assets		(4,814	)		(4,940	)		-			-
Amortization:
Prior service cost		(92	)		(90	)		(98	)		(98	)
Net actuarial loss		3,732			3,128			-			-
Net benefit cost	$	7,264		$	5,698		$	526		$	572

Contributions made and anticipated for the current fiscal year

Contributions made and anticipated for fiscal year 2016 are as follows:

Contributions	Pension		Other Postretirement
Contributions during the six months ended March 31, 2016:
Supplemental retirement plan	$	362	$	-
Other postretirement plan		-		672
Additional contributions expected in fiscal 2016:
Supplemental retirement plan	$	387	$	-
Other postretirement plan		-		336