Goodwill and Other Intangibles (Tables)

6 Months Ended

9 Months Ended

Jun. 30, 2012

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

	Network Equipment			Network Integration			Total (1)
Goodwill	$	170,740		$	21,662		$	192,402
Accumulated impairment losses and amortization	(157,897		)	(16,506		)	(174,403		)
Balance as of December 31, 2011	12,843			5,156			17,999
Divestiture of CES	(13,363		)				(13,363		)
Impairment of Alcadon goodwill				(3,711		)	(3,711		)
Impairment of Tecnonet goodwill				(1,055		)	(1,055		)
Foreign currency translation adjustment, net	520			(47		)	473
Goodwill	171,466			21,287			192,753
Accumulated impairment losses and amortization	(171,466		)	(20,963		)	(192,429		)
Balance as of September 30, 2012	$	—		$	324		$	324

Schedule of Fair Value of Goodwill, Tested for Impairment, Nonrecurring Basis

he Company concluded that there was an indication of impairment to Alcadon-MRV AB ("Alcadon"), our Scandinavian subsidiary, which was subsequently sold in October 2012. Below is a description of the Level 3 inputs used:

Quantitative Information about Level 3 Fair Value Measurements
($ in thousands)
	Fair Value at June 30, 2012	Valuation Technique	Unobservable Input	Range (Median)
Equity investment in Alcadon	$13,100	DCF	Weighted average cost of capital	34.3%-40.3% (37.3%)
			Long term growth rate	1.5%-4.5% (3.0%)
	$11,900	Non-binding offer from third party	N/A	$11,900

Quantitative Information about Level 3 Fair Value Measurements
($ in thousands)
	Fair Value at September 30, 2012	Valuation Technique	Unobservable Input	Range (Median)
Equity investment in Tecnonet	$20,100	Income approach-discounted cash flow ("DCF")	Weighted average cost of capital	19.8%-25.8% (22.8%)
			Long term growth rate	1.5%-4.5% (3.0%)