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Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Cost

The following tables present the components of net periodic benefit cost (gains are denoted with parentheses and losses are not):

	Nine Months Ended September 30, 2017
(in thousands)	Hourly Employees’ Pension Plan					Employees’ Retirement Plan						Total
Service cost		$	—				$	3				$	3
Interest cost		—					624					624
Expected return on plan assets		—					(956		)			(956		)
Amortization of net loss		—					324					324
Net periodic benefit		$	—				$	(5	)			$	(5	)

	Nine Months Ended September 30, 2016
(in thousands)	Hourly Employees’ Pension Plan					Employees’ Retirement Plan						Total
Service cost		$	6				$	3				$	9
Interest cost		300					666					966
Expected return on plan assets		(486		)			(898		)			(1,384		)
Amortization of net loss		213					330					543
Net periodic benefit cost		$	33				$	101				$	134

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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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