Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Income Taxes [Line Items]
Income tax incentives	$ 2,044	$ 4,574
Net impact of tax incentives, per diluted share	$ 0.04	$ 0.09
Unrecognized tax benefits including interest and penalties	$ 16,500
Interest on unrecognized tax	1,700
Penalty on unrecognized tax	1,600
Reduction in unrecognized tax benefits within next twelve months	8,300
China [Member]
Income Taxes [Line Items]
Income tax incentives	0	$ 950
Malaysia [Member}
Income Taxes [Line Items]
Income tax incentives	$ 707	1,109
Income tax holidays expiration date	2025
Thailand [Member]
Income Taxes [Line Items]
Income tax incentives	$ 1,337	$ 2,515
Income tax holidays expiration date	2028