Segments - Assets by Reportable Segments (Details) - USD ($) $ in Millions		Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Assets not allocated:
Cash and cash equivalents	[1]	$ 191.3	$ 594.0	$ 1,304.7	$ 333.7
Current assets held for sale		0.6	4.0
Income tax receivables		32.7	85.1
Other receivables		88.7	90.2
Deferred taxes		113.6	176.2
Other		211.8	215.9
Total assets		4,997.0	5,280.3
Assets allocated to segments:
Assets allocated to segments:
Assets allocated to segments		4,269.9	4,165.7
Assets allocated to segments: | Food Care
Assets allocated to segments:
Assets allocated to segments		1,680.9	1,545.5
Assets allocated to segments: | Product Care
Assets allocated to segments:
Assets allocated to segments		2,589.0	2,620.2
Assets not allocated:
Assets not allocated:
Cash and cash equivalents		191.3	594.0
Current assets held for sale		0.6	4.0
Income tax receivables		32.7	85.1
Other receivables		88.7	90.2
Deferred taxes		113.6	176.2
Other		300.2	165.1
Total assets		$ 4,997.0	$ 5,280.3

[1] Restricted cash and cash equivalents included compensating balance deposits related to certain short-term borrowings.