Equity Method Investment, Fair Value Amount, Evaluated For Impairment

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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-Publisher FASB

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- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

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- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Gross amount, as of the balance sheet date, of the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable), in excess of the fair value of net assets acquired in one or more business combination transactions.

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- Definition

The accumulated impairment losses related to goodwill as of the balance sheet date.

+ References

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- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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- Definition

The increase (decrease) to the recorded value of goodwill for foreign currency translation adjustments.

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- Definition

Write-off of the carrying amount of goodwill associated with all or a portion of a reporting unit that is sold in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Goodwill and Other Intangibles (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Line Items]
Goodwill, gross	$ 192,753			$ 192,753			$ 192,402
Accumulated impairment losses and amortization	(192,429)			(192,429)			(174,403)
Goodwill	324			324		5,156	17,999
Divestiture of subsidiary				(13,363)
Impairment of goodwill	(1,100)	(3,700)		(4,766)	0
Foreign currency translation adjustment				473
Amortization of intangible assets	0		0	0	0
Alcadon [Member]
Goodwill [Line Items]
Impairment of goodwill				(3,711)
Tecnonet [Member]
Goodwill [Line Items]
Impairment of goodwill				(1,055)
Interdata [Member]
Goodwill [Line Items]
Foreign currency translation adjustment				100
Network Integration [Member]
Goodwill [Line Items]
Goodwill, gross	21,287			21,287			21,662
Accumulated impairment losses and amortization	(20,963)			(20,963)			(16,506)
Goodwill	324			324		5,156	5,156
Foreign currency translation adjustment				(47)
Network Integration [Member] \| Alcadon [Member]
Goodwill [Line Items]
Impairment of goodwill				(3,711)
Network Integration [Member] \| Tecnonet [Member]
Goodwill [Line Items]
Impairment of goodwill				(1,055)
Network Equipment [Member]
Goodwill [Line Items]
Goodwill, gross	171,466			171,466			170,740
Accumulated impairment losses and amortization	(171,466)			(171,466)			(157,897)
Goodwill	0			0			12,843
Divestiture of subsidiary				(13,363)
Foreign currency translation adjustment				520
Fair Value, Measurements, Nonrecurring [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member]
Goodwill [Line Items]
Equity investment in Alcadon	20,100	13,100		20,100
Fair Value, Measurements, Nonrecurring [Member] \| Non-Binding Offer From Third Party [Member] \| Fair Value, Inputs, Level 3 [Member]
Goodwill [Line Items]
Equity investment in Alcadon		$ 11,900
Fair Value, Measurements, Nonrecurring [Member] \| Alcadon [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Minimum [Member]
Goodwill [Line Items]
Weighted average cost of capital	34.30%
Long-term growth rate	1.50%
Fair Value, Measurements, Nonrecurring [Member] \| Alcadon [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Maximum [Member]
Goodwill [Line Items]
Weighted average cost of capital	40.30%
Long-term growth rate	4.50%
Fair Value, Measurements, Nonrecurring [Member] \| Alcadon [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Median [Member]
Goodwill [Line Items]
Weighted average cost of capital	37.30%
Long-term growth rate	3.00%
Fair Value, Measurements, Nonrecurring [Member] \| Tecnonet [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Minimum [Member]
Goodwill [Line Items]
Weighted average cost of capital	19.80%
Long-term growth rate	1.50%
Fair Value, Measurements, Nonrecurring [Member] \| Tecnonet [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Maximum [Member]
Goodwill [Line Items]
Weighted average cost of capital	25.80%
Long-term growth rate	4.50%
Fair Value, Measurements, Nonrecurring [Member] \| Tecnonet [Member] \| Discounted Cash Flow [Member] \| Fair Value, Inputs, Level 3 [Member] \| Median [Member]
Goodwill [Line Items]
Weighted average cost of capital	22.80%
Long-term growth rate	3.00%