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Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net (loss) income attributable to Century stockholders	$ (42.0)	$ 44.3	$ (73.1)	$ 99.4

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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