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Contingencies - Additional Information (Detail) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) site | Dec. 31, 2020 USD ($)
Commitments and Contingencies Disclosure [Abstract] |  |
Number of non-owned sites Company is named Potentially Responsible Party | 13 |
Number of non-owned sites the Company is identified as a de minimis party | 12 |
Number of non Owned sites company is identified as de minimis party, settlement amount known | 8 |
Number of non Owned sites company is identified as de minimis party, settlement amount unknown | 4 |
Total environmental reserves | $ | $ 37.2 | $ 32.4
Increase (decrease) in environmental reserves | $ | 12.1 |
Total expenses related to environmental matters | $ | $ 7.3 |

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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=121557415&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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