Discontinued Operations - Assets and Liabilities Classified as Held For Sale (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets held for sale	$ 16.2	$ 36.9
Noncurrent assets held for sale	0.0	27.0
Current liabilities held for sale	0.0	14.9
Blow Molding Business | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	0.5	6.5
Inventories, net	0.5	19.3
Prepaid and other current assets	0.0	1.5
Property and equipment, net	6.0	0.0
Current assets held for sale	7.0	27.3
Property and equipment, net	0.0	25.3
Goodwill	0.0	0.6
Intangible assets, net	0.0	1.1
Noncurrent assets held for sale	0.0	27.0
Accounts payable	0.0	6.1
Advanced billings and deposits	0.0	5.6
Accrued salaries, wages and other compensation	0.0	1.9
Other current liabilities	0.0	1.3
Current liabilities held for sale	$ 0.0	$ 14.9