Accounting Policies and Basis of Presentation - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Period of providing high-quality, customer-focused products and support services		116 years
Number of reportable segments \| segment		3
Overstated cash flows provided by investing activities		$ 121.1	$ 392.1
Overstated cash flows used for operating activities		(197.9)	(420.5)
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Overstated cash flows provided by investing activities			(20.6)
Overstated cash flows used for operating activities			$ (20.6)
Pre-tax adjustment due to an over-accrual related to prior years	$ 2.0	2.0
Pre-tax adjustment due to an over-accrual related to prior years after income tax	$ 1.3	$ 1.3

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Resulting effect of restatement to correct an error, before tax effects, on the net income of prior periods for the year in which any adjustments are first made. In statements containing more than one period, discloses the effects for each period.

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