Income Taxes (Details 4)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. federal statutory income tax rate	35.00%	35.00%	35.00%
State taxes (net of federal benefit)	0.20%	0.50%	0.30%
Foreign losses without tax benefit	1.10%	1.10%	0.80%
U.S. Tax Court Decision	0.00%	0.00%	15.30%
Foreign operations taxed at lower rates	(12.90%)	(9.90%)	(14.40%)
Repatriation from current year foreign earnings	4.30%	2.60%	1.10%
Tax withholding refund	(1.90%)	(0.00%)	(0.00%)
Tax Holiday's	(3.20%)	(2.70%)	(6.20%)
Other	0.60%	1.00%	0.90%
Consolidated effective income tax rate	23.20%	27.60%	32.80%