Restructuring, Impairment and Transaction-Related Charges (Restructuring, Impairment and Transaction-Related Charges) (Details) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($) plant	Mar. 31, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Employee termination charges	$ 4.3	$ 10.6
Integration costs	0.8	0.1
Other restructuring (income) charges	(0.7)	5.6
Impairment charges	1.7	7.9
Machinery and equipment impairments		5.5
Land and building impairments		2.4
Transaction-related charges	1.5	0.7
Facilities Idled
Restructuring Cost and Reserve [Line Items]
Gain from sale of properties	$ 3.5	$ 2.2
2010 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Number of plant closures \| plant	43

Disposal Group, Including Discontinued Operation, Facilities Sold, Inception to Date

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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-Publisher FASB
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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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No definition available.

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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