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Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Schedule of Net Benefit Cost

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

	Six Months Ended June 30, 2017
(in thousands)	Hourly Employees’ Pension Plan					Employees’ Retirement Plan						Total
Service cost		$	—				$	2				$	2
Interest cost		—					416					416
Expected return on plan assets		—					(637		)			(637		)
Amortization of net loss		—					216					216
Net periodic benefit		$	—				$	(3	)			$	(3	)

	Six Months Ended June 30, 2016
(in thousands)	Hourly Employees’ Pension Plan					Employees’ Retirement Plan						Total
Service cost		$	4				$	2				$	6
Interest cost		200					444					644
Expected return on plan assets		(324		)			(598		)			(922		)
Amortization of net loss		142					220					362
Net periodic benefit cost		$	22				$	68				$	90

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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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