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Segment Reporting (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 907us-gaap_RestructuringCharges	$ 1,492us-gaap_RestructuringCharges
Western European Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	(200)us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_SegmentGeographicalGroupsOfCountriesGroupThreeMember	100us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_SegmentGeographicalGroupsOfCountriesGroupThreeMember
Chinese Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	100us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_SegmentGeographicalGroupsOfCountriesGroupFourMember	200us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_SegmentGeographicalGroupsOfCountriesGroupFourMember
Other Operations [Member]
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	300us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_OtherOperationsMember	300us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_OtherOperationsMember
Us Operations segment Member
Segment Reporting (Textuals) [Abstract]
Restructuring Charges		600us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_UsOperationsSegmentMember
Swiss Operations segment Member
Segment Reporting (Textuals) [Abstract]
Restructuring Charges	$ 700us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_SwissOperationsSegmentMember	$ 300us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = mtd_SwissOperationsSegmentMember

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.P.3)

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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