Pension & Postretirement Expenses (Tables)

3 Months Ended

Dec. 31, 2014

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Summary of Pension and Postretirement Plan Expenses

	Three Months Ended December 31,
	2013			2014
Service cost	$	24		27
Interest cost	62			60
Expected return on plan assets	(86		)	(92	)
Net amortization	36			43
Total	$	36		38