Commitments and Contingencies - Additional Information (Detail)		1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 24, 2019 USD ($) Defendant Installment	Nov. 30, 2018 Cases	Jun. 30, 2019 USD ($) Installment site	Jun. 30, 2018 USD ($) Installment	Jun. 30, 2019 USD ($) Cases Installment site	Jun. 30, 2018 USD ($) Installment	Dec. 31, 2018 USD ($)
Commitments and Contingent Liabilities [Line Items]
Litigation settlement			$ 25,000,000		$ 25,000,000		$ 60,000,000
Litigation settlement net present value			71,571,000		71,571,000		17,000,000
Litigation settlement expense			19,571,000	$ 62,000,000	19,571,000	$ 62,000,000
Number of complaints filed | Cases		2
Accrual for reasonably estimable environmental remediation and related matters			96,801,000		96,801,000		98,211,000
Insurance recoveries			4,714,000	200,000	4,997,000	363,000
Environmental Remediation Sites NL Named As PRP Or Defendant
Commitments and Contingent Liabilities [Line Items]
Accrual for reasonably estimable environmental remediation and related matters			$ 97,000,000		$ 97,000,000
Number of sites associated with remediation and related costs | site			32		32
Number of sites currently not able to reasonably estimate a range of costs | site			5		5
Maximum | Environmental Remediation Sites NL Named As PRP Or Defendant
Commitments and Contingent Liabilities [Line Items]
Upper end range, estimate costs for remediation and related matters			$ 117,000,000		$ 117,000,000
Environmental Remediation Litigation
Commitments and Contingent Liabilities [Line Items]
Recoveries receivable			15,600,000		$ 15,600,000		$ 15,000,000
Lead Pigment Litigation
Commitments and Contingent Liabilities [Line Items]
Number of cases settled and dismissed and found not liable | Cases					100
Period by which loss contingency claims settled and dismissed					30 years
Description of defendants					on July 24, 2019, an order approving a global settlement agreement entered into among all of the plaintiffs and the three defendants remaining in the case (the Sherwin Williams Company, ConAgra Grocery Products and us) was entered by the court and the case was dismissed with prejudice. The global settlement agreement provides that an aggregate $305 million will be paid collectively by the three co-defendants in full satisfaction of all claims resulting in a dismissal of the case with prejudice and the resolution of (i) all pending and future claims by the plaintiffs in the case, and (ii) all potential claims for contribution or indemnity between us and our co-defendants in respect to the case.
Litigation settlement			25,000,000	62,000,000	$ 25,000,000	62,000,000
Litigation settlement charge upon approval of settlement terms				45,000,000		45,000,000
Remaining litigation settlement charge			$ 76,700,000	$ 20,000,000	$ 76,700,000	$ 20,000,000
Number of annual installments | Installment			6	5	6	5
Remaining litigation settlement charge due in first installment			$ 12,000,000		$ 12,000,000
Remaining litigation settlement charge due in second installment			12,000,000		12,000,000
Remaining litigation settlement charge due in third installment			12,000,000		12,000,000
Remaining litigation settlement charge due in fourth installment			12,000,000		12,000,000
Remaining litigation settlement charge due in fifth installment			12,000,000		12,000,000
Remaining litigation settlement charge due in sixth installment			16,700,000		16,700,000
Litigation settlement, current				$ 80,000,000
Litigation settlement net present value			$ 71,600,000	$ 17,000,000	$ 71,600,000	$ 17,000,000
Litigation settlement installments payment beginning term from approval				4 years
Discounted rate for estimated present value of remaining litigation amount			1.90%		1.90%
Litigation settlement expense			$ 19,600,000
Litigation settlement accrual payments			96,600,000	$ 77,000,000	$ 96,600,000	$ 77,000,000
Insurance recovery receivable noncurrent			15,600,000		15,600,000
Accrued interest of insurance receivable			$ 600,000		$ 600,000
Lead Pigment Litigation | Aggregate Net Present Value of Five Payments
Commitments and Contingent Liabilities [Line Items]
Number of annual installments | Installment			6		6
Lead Pigment Litigation | Subsequent Event
Commitments and Contingent Liabilities [Line Items]
Number of defendants | Defendant	3
Settlement amount	$ 305,000,000
Litigation settlement	101,700,000
Litigation settlement charge upon approval of settlement terms	25,000,000
Remaining litigation settlement charge	$ 76,700,000
Number of annual installments | Installment	6
Remaining litigation settlement charge due in first installment	$ 12,000,000
Remaining litigation settlement charge due in second installment	12,000,000
Remaining litigation settlement charge due in third installment	12,000,000
Remaining litigation settlement charge due in fourth installment	12,000,000
Remaining litigation settlement charge due in fifth installment	12,000,000
Remaining litigation settlement charge due in sixth installment	$ 16,700,000