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Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2012

Retirement Plans [Abstract]

Components of net periodic benefit cost for pension plans

		Three Months Ended								Six Months Ended
		June 30,								June 30,
		2012				2011				2012				2011
Service cost		$	1,147			$	1,066			$	2,295			$	2,132
Interest cost			830				753				1,660				1,506
Expected return on plan assets			(682	)			(616	)			(1,365	)			(1,232	)
Loss amortization			576				154				1,151				308
Net periodic benefit cost		$	1,871			$	1,357			$	3,741			$	2,714

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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=21915506&loc=d3e1928-114920

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