Related Parties - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Lite On Semiconductor
Related Party Transaction [Line Items]
Related Party ownership of common stock	17.00%		17.00%
Related Party Transaction, Description of Transaction			LSC is our largest stockholder, owning approximately 17% of our outstanding Common Stock as of September 30, 2016, and is a member of the Lite-On Group of companies.
Keylink
Related Party Transaction [Line Items]
Related Party ownership of common stock	5.00%		5.00%
Related Party Transaction, Description of Transaction			Keylink is our 5% joint venture partner in our Shanghai assembly and test facilities.
Related Party Transaction Consulting Fees from Transactions with Related Party	$ 4.1	$ 4.7	$ 12.5	$ 14.0
Chengdu Ya Guang Electronic Company Limited ("Ya Guang")
Related Party Transaction [Line Items]
Related Party ownership of common stock	5.00%		5.00%
Related Party Transaction, Description of Transaction			In addition, Ya Guang is our 5% joint venture partner in our two Chengdu assembly and test facilities