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Acquisitions and Mergers - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 06, 2017 | Apr. 03, 2017 | Apr. 15, 2016 | Sep. 30, 2017 | Jan. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, cash |  |  |  |  |  |  | $ 634.3 | $ 8,635.2
Goodwill [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisition, goodwill, expected tax deductible amount |  |  |  |  |  | $ 255.0 |  |
Sistema Plastics [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, cash |  | $ 472.0 |  |  |  |  |  |
Chesapeake Bay Candle [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, cash |  |  |  | $ 75.0 |  |  |  |
Smith Mountain Industries [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, cash |  |  |  |  | $ 100.0 |  |  |
Jarden Acquisition [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Payments to acquire businesses, cash |  |  | $ 5,400.0 |  |  |  |  |
Merger consideration including debt assumed |  |  | 18,700.0 |  |  |  |  |
Business combination consideration issuable or payable |  |  | 15,300.0 |  |  |  |  |
Equity issued in business combination, fair value |  |  | $ 9,900.0 |  |  |  |  |
Business combination cash merger consideration payable to dissenting shareholders |  |  |  |  |  | $ 61.0 |  |
Shares issuable to Dissenting Shareholders |  |  |  |  |  | 2.5 |  |
Business combination, consideration transferred, liabilities incurred | $ 171.0 |  |  |  |  | $ 171.0 |  |

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