Income Taxes (Narrative) (Details) (USD $)	3 Months Ended	6 Months Ended
	Dec. 31, 2011	Jun. 30, 2013	Jun. 30, 2012
Tax incentives		$ 2,366,000	$ 3,894,000
Additional reserves for uncertain tax benefits	7,100,000
Net impact of holiday tax incentives, per diluted share		$ 0.04	$ 0.07
Unrecognized tax benefits reserve including interest and penalties		21,300,000
Interest on unrecognized tax benefits		1,600,000
Penalty on unrecognized tax benefits		1,600,000
Discrete tax benefit related to the enactment of the American Taxpayer Relief Act		800,000
Tax Refund		8,400,000
CHINA
Tax incentives		0	1,827,000
Income tax reconciliation tax holidays expiration date		2012
MALAYSIA
Tax incentives		550,000	356,000
Income tax reconciliation tax holidays expiration date		2015
THAILAND
Tax incentives		$ 1,816,000	$ 1,711,000
Income tax reconciliation tax holidays expiration date		2026