Employee Benefit Plans

6 Months Ended

Mar. 31, 2016

Employee Benefit Plans [Abstract]

Employee Benefit Plans

(5)Employee Benefit Plans

The components of net periodic benefit cost for pension and other benefits were as follows:

Pension Benefits	Three Months Ended March 31,				Six Months Ended March 31,
(Dollars in Thousands)	2016		2015		2016		2015
Interest cost	$	393	$	364	$	785	$	728
Expected return on plan assets		(374)		(396)		(747)		(792)
Amortization of net loss		140		84		281		168
Net periodic benefit cost	$	159	$	52	$	319	$	104
Other Benefits	Three Months Ended March 31,				Six Months Ended March 31,
(Dollars in Thousands)	2016		2015		2016		2015
Service cost	$	15	$	12	$	30	$	25
Interest cost		9		8		19		16
Amortization of net gain		(4)		(12)		(8)		(24)
Net periodic benefit cost	$	20	$	8	$	41	$	17

The Company, under the IRS minimum funding standards, has no required contributions to make to its defined benefit pension plan during fiscal 2016.

The Company sponsors a 401(k) retirement savings plan covering substantially all of the U.S. full-time employees in the Company’s Radiation Measurement segment as well as substantially all of the employees in the Company’s Medical Physics and Medical Products segments, which provides for certain employer matching contributions.  The Company also maintains a supplemental defined contribution plan for certain executives, which allows participating executives to make voluntary deferrals and provides for employer contributions at the discretion of the Company.  Amounts expensed for Company contributions under these plans during the three months ended March 31, 2016 and 2015 were $499 and $442, respectively.  Amounts expensed for Company contributions under these plans during the six months ended March 31, 2016 and 2015 were $918 and $849, respectively.