Segment Information - Accounts Receivable (Details)	3 Months Ended		6 Months Ended		3 Months Ended			6 Months Ended	3 Months Ended	6 Months Ended		3 Months Ended
	Jun. 30, 2014 Nokia Siemens Networks [Member]	Jun. 30, 2013 Nokia Siemens Networks [Member]	Jun. 30, 2014 Nokia Siemens Networks [Member]	Jun. 30, 2013 Nokia Siemens Networks [Member]	Jun. 30, 2014 Nokia Siemens Networks [Member] Accounts Receivable [Member]	Dec. 31, 2013 Nokia Siemens Networks [Member] Accounts Receivable [Member]	Jun. 30, 2014 Philips Healthcare [Member]	Jun. 30, 2014 Philips Healthcare [Member]	Jun. 30, 2014 Philips Healthcare [Member] Accounts Receivable [Member]	Jun. 30, 2014 NEC [Member]	Jun. 30, 2013 NEC [Member]	Jun. 30, 2014 Reliance [Member] Accounts Receivable [Member]
Concentration Risk [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	18.60%	20.50%	18.30%	19.00%	19.30%	20.70%	16.00%	15.10%	14.40%	10.60%	11.00%	15.20%