Income Taxes (Schedule Of Federal Statutory Income Tax Rate To Income Before Income Tax) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Tax at statutory rate	$ 26,404	$ 14,396	$ 30,456
State taxes, net of federal tax effect	2,012	343	582
Effect of foreign operations and tax incentives	(11,710)	(12,442)	(13,021)
Valuation allowance	(44)	(23,674)	(10,657)
Thailand reserve for uncertain tax benefits		7,056
Settlement of foreign tax audits		(2,710)
Intercompany transactions		2,801	(1,321)
Losses in foreign jurisdictions for which no benefit has been provided	927	3,068	63
Other	1,243	335	1,156
Total income tax expense	$ 18,832	$ (10,827)	$ 7,258