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Fair Value (Details) € in Millions, $ in Millions	3 Months Ended	12 Months Ended
	Mar. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2019 USD ($)	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 30, 2016 EUR (€)
Assets and liabilities measured at fair value on a recurring basis
Equity security, cost						$ 0.7
Equity security, fair value				$ 21.9	$ 16.6
Realized gain on equity security		$ 7.9
Distributions from equity security	$ 2.6
Discontinued Operations, Disposed of by Sale | Subsidiary of mutares AG (the Buyer) | Balcke Durr
Assets and liabilities measured at fair value on a recurring basis
Amount of guarantees | €			€ 31.7				€ 79.0
Discontinued Operations, Disposed of by Sale | Subsidiary of mutares AG (the Buyer) | Balcke-Durr GmbH | Balcke Durr
Assets and liabilities measured at fair value on a recurring basis
Cash collateral | €			1.0				4.0
Discontinued Operations, Disposed of by Sale | Subsidiary of mutares AG (the Buyer) | Bank and Surety Bonds | Balcke Durr
Assets and liabilities measured at fair value on a recurring basis
Amount of guarantees | €			9.4				79.0
Discontinued Operations, Disposed of by Sale | Subsidiary of mutares AG (the Buyer) | Indemnification Agreement | mutares AG | Balcke Durr
Assets and liabilities measured at fair value on a recurring basis
Amount of guarantees | €			€ 2.5				€ 5.0
Accounting Standards Update 2016-01
Assets and liabilities measured at fair value on a recurring basis
Impact of adoption of ASU Adoption					$ 12.0

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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.

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