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Investments - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	Jul. 07, 2017	Jun. 27, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Equity Method Investments [Line Items]
Gains (losses) from equity method investment					$ (60)	$ (518)
Investment		$ 950
Bi-PA
Equity Method Investments [Line Items]
Equity investment ownership position			15.00%		15.00%
Impairment on the investment			$ 0		$ 0
Profeng Australia, Pty Ltd
Equity Method Investments [Line Items]
Joint venture, consideration	$ 1,900
TyraTech Inc.
Equity Method Investments [Line Items]
Equity investment ownership position			34.00%		34.00%
Gains (losses) from equity method investment				$ (347)		$ (443)
Hong Kong JV
Equity Method Investments [Line Items]
Equity investment ownership position				50.00%		50.00%
Gains (losses) from equity method investment			$ (36)	$ 46	$ (60)	$ (75)