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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

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- Definition

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

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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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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Dividends (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended				6 Months Ended
	Dec. 06, 2023	Nov. 02, 2023	Sep. 05, 2023	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Dividends [Abstract]
Cash dividend paid (in dollars per share)			$ 0.410
Dividends Payable [Line Items]
Dividends declared per common share (in dollars per share)				$ 0.410		$ 0.301		$ 0.793	$ 0.577
Cash dividend			$ 222.7	$ 222.7	$ 208.9	$ 166.1	$ 153.0
Subsequent Event
Dividends Payable [Line Items]
Dividends declared per common share (in dollars per share)		$ 0.439
Forecast
Dividends Payable [Line Items]
Cash dividend	$ 238.0