Pension, Postretirement and Postemployment Benefits (Details 4) (Pension Benefits, USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Pension Benefits
Benefits paid for five years thereafter
2015	$ 1,286,000
2016	1,369,000
2017	1,495,000
2018	1,603,000
2019	1,680,000
2020-2024	9,712,000
Total	17,145,000
Contribution to defined contribution plans	29,600,000	23,100,000
Contribution to defined benefit pool pension plan	1,251,000	598,000
Expected Contribution to defined benefit pool pension plan in 2014	$ 900,000

Represents the amount of benefits expected to be paid under a defined benefit plan.

No definition available.

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- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ 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 (b)(3)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

+ Details

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- Details

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- Definition

Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References