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Commitments and Contingencies - Additional Information (Detail) $ in Millions | Dec. 31, 2019 USD ($) employee | Dec. 31, 2018 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |  |
Reserves for pending legal disputes, including commercial disputes and other matters | $ 14.0 | $ 11.0
Environmental reserves | $ 9.3 | $ 9.0
Loss Contingencies [Line Items] |  |
Percentage of employees that are members of trade union and employed under labor agreements | 50.00% |
Unionized workforce subject to labor agreement expiring in 2019 |  |
Loss Contingencies [Line Items] |  |
Percentage of employees that are members of trade union and employed under labor agreements | 88.00% |
Number of employees | employee | 81,500 |
Unionized workforce subject to labor agreement expiring in 2019 | United States and Canada |  |
Loss Contingencies [Line Items] |  |
Percentage of employees that are members of trade union and employed under labor agreements | 2.00% |

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- Definition The number of the Company's employees that are members of industrial trade unions and are employed under the terms of collective bargaining agreements that are scheduled to expire in 2012. + References No definition available. + Details
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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