Income Taxes (Income tax examination) (Details)	12 Months Ended
	Dec. 31, 2014
Minimum [Member] | United States [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2010
Minimum [Member] | KOREA, REPUBLIC OF
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2008
Minimum [Member] | PHILIPPINES
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2010
Minimum [Member] | JAPAN
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2008
Minimum [Member] | CHINA
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2008
Minimum [Member] | SINGAPORE
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2009
Minimum [Member] | MALAYSIA
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2007
Minimum [Member] | TAIWAN, PROVINCE OF CHINA
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2010
Maximum [Member] | United States [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013
Maximum [Member] | KOREA, REPUBLIC OF
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013
Maximum [Member] | PHILIPPINES
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013
Maximum [Member] | JAPAN
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013
Maximum [Member] | CHINA
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013
Maximum [Member] | SINGAPORE
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013
Maximum [Member] | MALAYSIA
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013
Maximum [Member] | TAIWAN, PROVINCE OF CHINA
Income Tax Examination [Line Items]
Income Tax Examination, Year(s) under Examination	2013