Revenue - product sales and recycling services - Schedule of product sales revenue (Details) - USD ($) $ in Millions	2 Months Ended	3 Months Ended	14 Months Ended
Dec. 31, 2022	Oct. 31, 2021	Dec. 31, 2022
Product sales revenue [Abstract]
Product revenue recognized in the period	$ 3.5	$ 1.5
Fair value pricing adjustments	2.3	1.2
Product sales	5.8	2.7	$ 5.8
Recycling services	0.1	0.1
Revenue before Fair Value Pricing Adjustment		1.6	$ 3.6
Revenue	$ 5.9	$ 2.8

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details