Segments - Assets by Reportable Segments (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Assets not allocated:
Cash and cash equivalents	$ 370.0	$ 548.7	$ 274.6	$ 262.4
Current assets held for sale	0.0	0.3
Income tax receivables	33.5	71.2
Other receivables	72.5	69.5
Deferred taxes	172.9	187.1
Other	357.2	355.8
Total assets	5,918.7	6,083.8
Assets allocated to segments:
Assets allocated to segments:
Assets allocated to segments	4,887.0	4,814.5
Assets allocated to segments: | Food
Assets allocated to segments:
Assets allocated to segments	2,039.3	2,019.1
Assets allocated to segments: | Protective
Assets allocated to segments:
Assets allocated to segments	2,847.7	2,795.4
Assets not allocated:
Assets not allocated:
Cash and cash equivalents	370.0	548.7
Current assets held for sale	0.0	0.3
Income tax receivables	33.5	71.2
Other receivables	72.5	69.5
Deferred taxes	172.9	187.1
Other	382.8	392.5
Total assets	$ 5,918.7	$ 6,083.8