Reclassification Out Of Accumulated Other Comprehensive Loss (Schedule Of Reclassification Out Of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Asset impairment charge and other	$ 0	$ 0	$ (1,547)
Other expense	(282)	(1,141)	(1,673)
Selling, general and administrative expenses	(113,448)	(107,462)	(112,378)
Net of tax	1	13	(2,900)
Foreign currency translaction adjustments [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net of tax	0	0	(2,930)
Foreign currency translaction adjustments [Member] | Reclassification Out Of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Other expense			(49)
Net of tax			2,930
Foreign currency translaction adjustments [Member] | Reclassification Out Of Accumulated Other Comprehensive Loss [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Pemstar (Tianjin) Enterprise Co. Ltd. [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Asset impairment charge and other			2,979
Accumulated Net Unrealized Investment Gain Loss [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net of tax	0	0	0
Other [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net of tax	$ 1	$ 13	30
Other [Member] | Reclassification Out Of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Selling, general and administrative expenses			30
Net of tax			$ (30)