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Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2018 USD ($)	Sep. 30, 2019 Facility	Sep. 30, 2018 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Number of facilities for manufacture and distribution of products | Facility		4
Proceeds from the sale of discontinued operations being held in a related indemnity escrow account | $	$ 2,700		$ 2,730
Tax benefit recognized		Greater than 50%

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- Definition

Number of facilities for manufacture and distribution of products.

+ References

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- Definition

Tax benefit recognized.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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