Contingencies - Additional Information (Detail) $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($) site	Dec. 31, 2020 USD ($)
Site Contingency [Line Items]
Number of non-owned sites Company is named Potentially Responsible Party \| site	13
Number of non-owned sites the Company is identified as a de minimis party \| site	12
Number of non-owned sites company is in agreement on amount of de minimis settlement \| site	8
Number of non-owned sites company is continuing to investigate \| site	4
Total environmental reserves	$ 33.2	$ 32.4
Payments for environmental matters	1.4
Litigation settlement amount awarded to other party	6.8
HCC Industries
Site Contingency [Line Items]
Environmental expense	2.2
Reserves related to an owned site acquired	$ 7.0	$ 7.4

Loss Contingency, Number Of Non Owned Sites Company Is Continuing To Investigate

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- Definition

Number of non-owned sites the Company is identified as a de minimis party.

+ References

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Loss Contingency, Number Of Non Owned Sites Company Is In Agreement On Amount Of De Minimis Settlement

+ References

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Number of non-owned sites the Company is named a Potentially Responsible Party.

+ References

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
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Recorded amount of the accrual for a material component of an environmental loss contingency.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
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Amount awarded to other party in judgment or settlement of litigation.

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- Definition

Cash outflows made during the period for environmental remediation activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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