Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 323
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-Publisher FASB
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- References

No definition available.

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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-SubTopic 10
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- Definition

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.

+ References

No definition available.

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Equity Investments (Details) € in Millions, $ in Millions	3 Months Ended		6 Months Ended
Equity Investments (Details) € in Millions, $ in Millions	Jun. 30, 2018 USD ($)	Jun. 30, 2018 EUR (€)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Equity Method Investments and Joint Ventures [Abstract]
Equity investments	$ 209.2		$ 209.2		$ 253.9
Distributed earnings from equity investments			42.1	$ 41.0
Schedule of Equity Method Investments [Line Items]
Pro-rata concession funding payment			$ 75.2	$ 0.0
LNS
Schedule of Equity Method Investments [Line Items]
Pro-rata concession funding payment	$ 74.3	€ 60.0