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Use of Estimates - Narrative (Details) - Discontinued Operations, Disposed of by Sale - Balcke Durr - Subsidiary of matures AG (the Buyer) € in Millions, $ in Millions | Dec. 31, 2017 USD ($) | Dec. 31, 2017 EUR (€) | Dec. 30, 2016 EUR (€)
--- | --- | --- | ---
Guarantor Obligations [Line Items] |  |  |
Amount of guarantees | $ 76.1 | € 76.1 | € 79.0
Bank and Surety Bonds |  |  |
Guarantor Obligations [Line Items] |  |  |
Amount of guarantees | $ 47.9 | € 47.9 | € 79.0

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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
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