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Goodwill and Intangible Assets - Intangible Assets (Parenthetical) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Oct. 31, 2018 | Dec. 31, 2017 | Oct. 31, 2017
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Sacramento Container Corporation |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets | $ 67.1 |  | $ 72.6 |
Sacramento Container Corporation | Customer Relationships |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets |  |  |  | $ 61.9
Sacramento Container Corporation | Trademarks and Trade Names |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets |  |  |  | 5.1
Sacramento Container Corporation | Other Intangible Assets |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets |  |  |  | $ 0.1
Englander | Customer Relationships |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets |  | $ 13.2 |  |
Englander | Trademarks and Trade Names |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets |  | 0.8 |  |
Englander | Other Intangible Assets |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets |  | $ 0.1 |  |

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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