Litigation and Contingencies - Additional Information (Detail) $ / shares in Units, shares in Millions, $ in Millions								1 Months Ended		3 Months Ended	10 Months Ended
	Oct. 04, 2019 USD ($)	Jul. 26, 2019 $ / shares	Jul. 19, 2019 USD ($) $ / shares	Jul. 06, 2017 USD ($) shareholder $ / shares shares	Jul. 06, 2017 USD ($) shares	Aug. 12, 2016 shareholder	Jul. 08, 2016 shareholder	Aug. 31, 2019 mi	Sep. 30, 2016 USD ($)	Mar. 31, 2020 USD ($) alternative entity Recipient mi	Mar. 31, 2020 USD ($)	Aug. 12, 2019 USD ($)	Jun. 30, 2018 segment	Oct. 03, 2016 shares
Loss Contingencies [Line Items]
Number of dissenting shareholders (in shareholders) | shareholder				11		2	2
Share conversion ratio upon merger				86.20%	86.20%
Business acquisition, equity interest issued or issuable, number of shares (in shares) | shares				6.6
Issue of common stock to settling petitioners , Value				$ 162.0	$ 162.0
Settlement amount			$ 140.0
Litigation settlement, paid to other party	$ 177.0
Reduction in net revenue due to return authorization notice										$ 1.0	$ 21.0
Environmental remediation expense										$ 43.0
Number of General Notice Letter Recipients | entity										100
Number of remediation alternatives | alternative										4
Miles of river included in the remedial investigation and feasibility study | mi										8.3
Standby letters of credit outstanding										$ 50.0	50.0
Minimum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										1.0	1.0
Maximum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										$ 2.0	2.0
Jarden Acquisition
Loss Contingencies [Line Items]
Number of shares holding by dissenting shareholders (in shares) | shares				2.9	2.9									10.6
Number of common stock transferred on settlement (in shares) | shares				7.7
Litigation settlement, awarded to other party (in dollars per share) | $ / shares		$ 59.21	$ 48.31	$ 21.00
Assumed acquisition price					$ 171.0
Operating cash flow related to business combination					$ 6.0
Lower Passaic River Matter
Loss Contingencies [Line Items]
Number of general notice letter recipients involved in remedial investigation and feasibility study | Recipient										72
Loss contingency estimated period										30 years
Number of parties sued (in parties) | segment													120
Lower Passaic River Matter | Minimum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										$ 315.0	315.0
Lower Passaic River Matter | Maximum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										3,200.0	3,200.0
Lower Passaic River Matter - Preferred Alternative
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										1,700.0	1,700.0
Lower Passaic River Matter - Preferred Alternative Maintenance Costs
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										2.0	2.0
Lower Passaic River Matter - Alternative Range from Participating Parties
Loss Contingencies [Line Items]
Miles of river included in the remedial investigation and feasibility study | mi								9
Lower Passaic River Matter - Alternative Range from Participating Parties | Minimum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										28.0	28.0	$ 6.0
Lower Passaic River Matter - Alternative Range from Participating Parties | Maximum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										2,700.0	$ 2,700.0	$ 460.0
Lower Passaic River Matter - Selected Remedy for the Preferred Alternative
Loss Contingencies [Line Items]
Settlement amount									$ 0.3	$ 1,400.0
Lower half of river
Loss Contingencies [Line Items]
Miles of river included in the remedial investigation and feasibility study | mi										17