Restructuring Costs - Schedule of Accrued Restructuring Costs Activity (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 111.9	$ 74.9	$ 77.2
Jarden Integration and Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	38.7	0.8
Restructuring costs	92.5	65.0
Payments, Foreign Currency and Other	(73.4)	(27.1)
Ending balance	57.8	38.7	0.8
Project Renewal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	33.2	66.6
Restructuring costs	19.4	9.9	52.4
Payments, Foreign Currency and Other	(16.6)	(43.3)
Ending balance	36.0	33.2	66.6
Employee Severance, Termination Benefits and Relocation Costs [Member] | Jarden Integration and Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	38.2	0.8
Restructuring costs	83.9	56.2
Payments, Foreign Currency and Other	(70.3)	(18.8)
Ending balance	51.8	38.2	0.8
Employee Severance, Termination Benefits and Relocation Costs [Member] | Project Renewal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	15.8	49.3
Restructuring costs	2.3	(9.1)
Payments, Foreign Currency and Other	(7.1)	(24.4)
Ending balance	11.0	15.8	49.3
Exited Contractual Commitments and Other [Member] | Jarden Integration and Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	0.5
Restructuring costs	8.6	8.8
Payments, Foreign Currency and Other	(3.1)	(8.3)
Ending balance	6.0	0.5
Exited Contractual Commitments and Other [Member] | Project Renewal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	17.4	17.3
Restructuring costs	17.1	19.0
Payments, Foreign Currency and Other	(9.5)	(18.9)
Ending balance	$ 25.0	$ 17.4	$ 17.3