Restructuring Costs - Schedule of Restructuring costs (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 7.9	$ 13.3
Jarden Integration [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	10.1	11.8
Project Renewal and Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ (2.2)	$ 1.5