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Retirement Benefit Plans (Tables)

3 Months Ended

Sep. 30, 2017

Retirement Benefit Plans

Schedule of net periodic pension expense

The components of net periodic pension expense are as follows (in thousands):

		Three Months Ended September 30,
		2016			2017
Service cost		$	224		$	216
Interest cost		7			8
Amortization of prior service cost		70			70
Net periodic pension expense		$	301		$	294

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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