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Revenues - Disaggregation of Revenue by Geography (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 270.6	$ 352.8	$ 558.8	$ 629.6
North America
Disaggregation of Revenue [Line Items]
Net sales	147.3	227.2	318.4	398.9
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	82.6	67.8	150.5	116.9
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net sales	37.1	52.6	80.5	103.8
South America
Disaggregation of Revenue [Line Items]
Net sales	$ 3.6	$ 5.2	$ 9.4	$ 10.0

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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