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Pension plans	12 Months Ended
	Dec. 31, 2018
Retirement Benefits [Abstract]
Pension plans	Pension plans We operate defined benefit plans and defined contribution pension plans for our employees. All of these plans, individually or on an aggregate basis, do not have a material impact on our Consolidated Balance Sheets or Consolidated Income Statements.

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- References

No definition available.

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- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

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