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Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net income	$ 666.6	$ 666.4	$ 546.2	$ 507.2	$ 1,333.0	$ 1,053.4

X

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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