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Other Charges , Net Other Charges, Net (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Other Income and Expenses [Abstract] |  |
Impact of Adopting ASU 2017-07 ASC 715 Compensation-Retirement Benefits | $ 3.0 | $ 1.2

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- Definition The impact of Adopting ASU 2017-7 ASC 715 Compensation-Retirement Benefits in the income statement which reclasses the non-service cost components from selling, general and administrative expense, cost of sales and research and development to other charges (income) beginning in Q1 2018. + References No definition available. + Details
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Namespace Prefix: | mtd_
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- References No definition available. + Details
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Balance Type: | na
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