Pension and Postretirement Benefits - Payments and receipts reflecting expected future service (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Funded Plans
Expected future service expected to be paid
2015	$ 872
2016	845
2017	888
2018	908
2019	889
2020-2023	5,046
Unfunded Pension Plans
Expected future service expected to be paid
2015	647
2016	745
2017	781
2018	802
2019	812
2020-2023	3,869
US Postretirement Benefit Plans
Expected future service expected to be paid
2015	1,116
2016	1,159
2017	1,175
2018	1,185
2019	1,161
2020-2023	5,441
Foreign Pension Plans \| Funded Plans
Expected future service expected to be paid
2015	357
2016	431
2017	434
2018	456
2019	517
2020-2023	3,055
Foreign Pension Plans \| Unfunded Pension Plans
Expected future service expected to be paid
2015	187
2016	187
2017	186
2018	186
2019	186
2020-2023	$ 918

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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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- Definition

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

+ Details

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Amount of benefits from a defined benefit plan expected to be paid in 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

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- Definition

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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Amount of benefits from a defined benefit plan expected to be paid in the second 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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