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Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2024	Mar. 31, 2023
Pay vs Performance Disclosure
Net income (loss)	$ 44.3	$ 14.3	$ 21.3	$ 22.5	$ 58.6	$ 43.8

X

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

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