Acquisition - Additional Information (Detail)		3 Months Ended
Mar. 26, 2018 USD ($) ft² T	Mar. 31, 2018 USD ($)
Business Acquisition [Line Items]
Paid from cash on hand		$ 21,475,000
2018 Acquisition [Member] \| BASF Mexicana, S.A. DE C.V. [Member] \| Surfactants [Member] \| Ecatepec, Mexico [Member]
Business Acquisition [Line Items]
Capacity of production facility expected to be acquired \| T	50,000
Warehouse space, laboratory and office space currently expected to be acquired \| ft²	124,000
Paid from cash on hand	$ 22,852,000
Intangible assets identified related to acquisition	$ 0

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Business combination capacity of production facility expected to be acquired.

+ References

No definition available.

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The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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-Section 50
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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