Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Income Taxes
Unrecognized tax benefits	$ 3,600
Unrecognized tax benefits would impact the effective tax rate	2,800
Interest accrued	$ 500
Effective tax rate from operations	18.90%	23.00%
Provision for (benefit from) income taxes	$ 3,465	$ 4,259
Undistributed foreign earnings			$ 322,000
U.S. statutory rate	35.00%
U.S
Income Taxes
Cash and cash equivalents and short-term investments	$ 288,200		279,800
U.S | Earliest Tax Year
Income Taxes
Tax years subject to examination	2013
Germany | Earliest Tax Year
Income Taxes
Tax years subject to examination	2013
Poland | Earliest Tax Year
Income Taxes
Tax years subject to examination	2012
China | Earliest Tax Year
Income Taxes
Tax years subject to examination	2012
Spain | Earliest Tax Year
Income Taxes
Tax years subject to examination	2013
United Kingdom | Earliest Tax Year
Income Taxes
Tax years subject to examination	2015
Foreign
Income Taxes
Cash and cash equivalents and short-term investments	$ 330,300		$ 309,600