Property, Plant and Equipment - Additional Information (Detail) - Manufacturing facility in New Taipei City, Taiwan - Discontinued Operations, Held-for-sale - USD ($) $ in Millions	1 Months Ended
	Feb. 28, 2018	Jun. 30, 2018
Property, Plant and Equipment [Line Items]
Aggregate consideration value	$ 81.3
Environmental obligation	7.0
Land and Building
Property, Plant and Equipment [Line Items]
Sell of Facility and equipment	75.0
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Sell of Facility and equipment	$ 6.3
Other current assets
Property, Plant and Equipment [Line Items]
Total assets held for sale		$ 58.1