Pension & Postretirement Expenses

9 Months Ended

Jun. 30, 2018

Defined Benefit Plan [Abstract]

Pension And Postretirement Plan Expenses

Total periodic pension and postretirement expense is summarized below:

	Three Months Ended June 30,						Nine Months Ended June 30,
		2017			2018			2017		2018
Service cost		$	21		19			63		57
Interest cost		42			46			126		139
Expected return on plan assets		(86		)	(87	)		(258	)	(262	)
Net amortization		53			30			159		91
Total		$	30		8			90		25