Acquisitions - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions			1 Months Ended	3 Months Ended
	Apr. 03, 2017	Apr. 15, 2016	Jan. 31, 2017	Mar. 31, 2017	Mar. 31, 2016
Business Acquisition [Line Items]
Payments to acquire businesses, cash				$ 557.3	$ 21.0
Amortization of intangible assets				102.0	19.7
Jarden Acquisition [Member]
Business Acquisition [Line Items]
Payments to acquire businesses, cash		$ 5,400.0
Share conversion ratio upon merger		86.20%
Business combination, cash consideration transferred per share		$ 21.00
Business combination cash merger consideration payable to dissenting shareholders				$ 222.0
Shares issuable to dissenting shareholders				9.1
Merger consideration including debt assumed		$ 18,700.0
Business combination consideration issuable or payable		$ 15,300.0
Business acquisition, equity interest issued or issuable, number of shares		213.9
Equity issued in business combination, fair value		$ 9,900.0
Jarden Acquisition [Member] | Pro Forma [Member]
Business Acquisition [Line Items]
Amortization of intangible assets					$ 51.9
Sistema Plastics [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Payments to acquire businesses, cash	$ 460.0
Smith Mountain Industries [Member]
Business Acquisition [Line Items]
Payments to acquire businesses, cash			$ 100.0
Other Noncurrent Liabilities [Member] | Jarden Acquisition [Member]
Business Acquisition [Line Items]
Business combination, consideration transferred, liabilities incurred				$ 627.0