Inventories, Net and Significant Suppliers (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Schedule of Reserve for Excess and Obsolete Inventory
Balance at Beginning of Period			$ 3,447
Additions Charged to Costs and Expenses	54	231	37	238
Write-offs/FX Effects			1,623	2,099
Balance at End of Period	3,037		3,037
Inventory Reserve [Member]
Schedule of Reserve for Excess and Obsolete Inventory
Balance at Beginning of Period	3,228	2,272	3,447	2,135
Additions Charged to Costs and Expenses	668	960	1,386	1,749
Sell Through	(203)	(296)	(558)	(607)
Write-offs/FX Effects	(656)	(411)	(1,238)	(752)
Balance at End of Period	$ 3,037	$ 2,525	$ 3,037	$ 2,525