Segments - Assets by Reportable Segments (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets not allocated:
Cash and cash equivalents	$ 281.3	$ 456.1	$ 561.0
Current assets held for sale	1.0	0.0
Income tax receivables	46.8	40.3
Other receivables	86.0	91.5
Advances and deposits	198.7	12.7
Deferred taxes	119.5	141.5
Total assets	7,367.7	6,214.7
Assets allocated to segments:
Assets allocated to segments:
Assets allocated to segments	6,146.1	5,138.3
Assets allocated to segments: | Food
Assets allocated to segments:
Assets allocated to segments	3,452.7	2,342.6
Assets allocated to segments: | Protective
Assets allocated to segments:
Assets allocated to segments	2,693.4	2,795.7
Assets not allocated:
Assets not allocated:
Cash and cash equivalents	281.3	456.1
Current assets held for sale	1.0	0.0
Income tax receivables	46.8	40.3
Other receivables	86.0	91.5
Advances and deposits	198.7	12.7
Deferred taxes	119.5	141.5
Other	488.3	334.3
Total assets	$ 7,367.7	$ 6,214.7