Pensions and Other Post-Employment Benefits (Details 7) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Pension Benefits [Member]
Estimated Future Benefits payments
2015	$ 9,672
2016	9,894
2017	12,320
2018	11,202
2019	12,581
2020 through 2024	72,765
Gross Benefit Payment [Member]
Estimated Future Benefits payments
2015	1,472
2016	1,483
2017	1,566
2018	1,597
2019	1,541
2020 through 2024	6,442
Gross Benefit Payment [Member] \| Net of Medicare Part D Subsidy [Member]
Estimated Future Benefits payments
2015	1,435
2016	1,447
2017	1,533
2018	1,565
2019	1,512
2020 through 2024	$ 6,334

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Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ 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 (f)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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+ References

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Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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+ References

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