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Segments - Segment Disaggregation of Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 3,141.0	$ 2,309.9	$ 9,324.8	$ 6,855.3
Flexibles
Disaggregation of Revenue [Line Items]
Net sales	2,434.2	1,576.5	7,278.2	4,717.6
Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	706.8	733.4	2,046.6	2,137.7
North America
Disaggregation of Revenue [Line Items]
Net sales	1,501.0	791.0	4,355.9	2,271.4
North America | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	924.1	197.7	2,710.2	574.7
North America | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	576.9	593.3	1,645.7	1,696.7
Latin America
Disaggregation of Revenue [Line Items]
Net sales	361.1	259.3	1,144.6	818.6
Latin America | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	231.2	119.2	743.7	377.6
Latin America | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	129.9	140.1	400.9	441.0
Europe
Disaggregation of Revenue [Line Items]
Net sales	928.8	934.1	2,718.4	2,752.3
Europe | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	928.8	934.1	2,718.4	2,752.3
Europe | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0	0.0
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	350.1	325.5	1,105.9	1,013.0
Asia Pacific | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	350.1	325.5	1,105.9	1,013.0
Asia Pacific | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	$ 0.0	$ 0.0	$ 0.0	$ 0.0

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+ References

No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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