Revenue Recognition, Contracts with Customers - Revenue from Contract With Customers Summarized By Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	$ 1,260.0	$ 1,168.3
Non-Topic 606 Revenue (Leasing: Sales-type and Operating)	7.1	5.6
Total revenues	1,267.1	1,173.9
Food
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	696.6	686.2
Non-Topic 606 Revenue (Leasing: Sales-type and Operating)	5.6	4.1
Total revenues	702.2	690.3
Protective
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	563.4	482.1
Non-Topic 606 Revenue (Leasing: Sales-type and Operating)	1.5	1.5
Total revenues	564.9	483.6
Americas
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	782.9	762.5
Americas | Food
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	434.8	450.6
Americas | Protective
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	348.1	311.9
EMEA
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	280.4	245.2
EMEA | Food
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	151.9	141.7
EMEA | Protective
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	128.5	103.5
APAC
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	196.7	160.6
APAC | Food
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	109.9	93.9
APAC | Protective
Revenue from External Customer [Line Items]
Topic 606 Segment Revenue	$ 86.8	$ 66.7