Goodwill and Other Intangibles - Additional Information (Detail) - USD ($)			12 Months Ended
	Oct. 02, 2018	Oct. 02, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Finite Lived Intangible Assets [Line Items]
Goodwill impairment adjustment	$ 0	$ 0
Amortization of Intangible Assets			$ 1,000,000	$ 1,000,000	$ 1,000,000
2019			900,000
2020			900,000
2021			800,000
2022			800,000
2023			$ 800,000
Remaining amortization period			16 years 3 months 18 days
Patents [Member]
Finite Lived Intangible Assets [Line Items]
Remaining amortization period			7 years
Land Use Rights [Member]
Finite Lived Intangible Assets [Line Items]
Remaining amortization period			57 years
Trademark [Member]
Finite Lived Intangible Assets [Line Items]
Remaining amortization period			8 years 7 months 6 days
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Remaining amortization period			12 years 10 months 24 days
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Remaining amortization period			11 years 4 months 24 days
Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization period of intangible assets			1 year
Minimum [Member] | Actual [Member]
Finite Lived Intangible Assets [Line Items]
Amortization period of intangible assets			4 years
Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization period of intangible assets			20 years
Maximum [Member] | Actual [Member]
Finite Lived Intangible Assets [Line Items]
Amortization period of intangible assets			82 years