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Employee benefit plans (Tables)

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Income

Components of net periodic benefit income are as follows:

		Pension Benefits
Three months ended March 31,		2015				2014
Net periodic pension income:
Service cost
Interest cost		$	174			$	169
Expected return on plan assets			(233	)			(227	)
Amortization of prior service cost
Amortization of unrecognized net loss			50				23
Net periodic pension income		$	(9	)		$	(35	)

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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=35743120&loc=d3e1928-114920

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