Aggregate dividends paid during the period for each share of common stock outstanding.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

+ Details

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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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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- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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Dividends (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended		9 Months Ended
	Mar. 06, 2018	Feb. 06, 2018	Dec. 05, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dividends, per share (in usd per share)						$ 1.0860
Payments of ordinary dividends						$ 252.4
Dividends declared per common share (in USD per share)			$ 0.3625	$ 0.3625	$ 0.3605	$ 1.0860	$ 1.0800
Dividends, common stock			$ 84.9
Subsequent Event
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dividends declared per common share (in USD per share)		$ 0.3630
Scenario, Forecast
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dividends, common stock	$ 85.2