Income Taxes Income Tax Expense Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%		35.00%		35.00%
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ 34,220		$ 14,790		$ 27,910
Income Tax Reconciliation, State and Local Income Taxes	270		730		2,440
Income Tax Reconciliation, Foreign Income Tax Rate Differential	(8,550)		(4,920)		(2,250)
Income Tax Reconciliation, Tax Contingencies	(1,630)		(1,320)		(700)
Income Tax Reconciliation, Tax Holidays	(1,980)	[1]	(1,160)	[1]	0	[1]
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount	(5,460)		0		0
Income Tax Reconciliation, Nondeductible Expense, Restructuring Charges (Benefits)	2,230		(2,400)		1,300
Income Tax Reconciliation, Noncontrolling Interest Income (Expense)	(1,410)		(790)		0
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance	1,980		1,600		130
Income Tax Reconciliation, Other Adjustments	(1,280)		(560)		100
Income Tax Expense (Benefit), Continuing Operations	$ 18,390		$ 5,970		$ 28,930

[1] (a) Tax holiday related to Thailand which expires on December 31, 2015.