Held for Sale and Discontinued Operations - Net Change Cash From Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Net Cash Provided by (Used in) Discontinued Operations [Abstract]
Net cash provided from operations - discontinued operations	$ 0.0	$ 0.1
Net cash provided from investing activities - discontinued operations	0.0	(0.1)
Net cash used for financing activities - discontinued operations	0.0	0.0
Cash balances at beginning of period	110.3	97.1
Cash balances at end of period	132.2	120.2
Net income tax payment to national governments	0.0	(0.2)
Discontinued Operations
Net Cash Provided by (Used in) Discontinued Operations [Abstract]
Net change in cash during the period		0.0
Cash balances at beginning of period	50.0	0.0
Cash balances at end of period	$ 60.8	0.0
Interest paid		0.0
Net income tax payment to national governments		0.0
Discontinued Operations, Held-for-sale
Net Cash Provided by (Used in) Discontinued Operations [Abstract]
Cash balances at beginning of period		0.0
Cash balances at end of period		$ 0.0

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash inflow (outflow) of financing activities of discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The amount of cash paid during the current period for interest owed on debt associated with discontinued operations.

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Increase (decrease) in cash associated with the entity's discontinued operations.

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