v2.3.0.15

Omneon Acquisition (Details Textual) (USD $) Share data in Millions, unless otherwise specified			9 Months Ended
	Sep. 30, 2011	Sep. 15, 2010	Sep. 30, 2011 Existing Technology [Member] Omneon [Member] Year	Sep. 30, 2011 Trademarks and tradenames [Member] Omneon [Member] Year	Sep. 30, 2011 Patents/Core Technology [Member] Omneon [Member] Year	Sep. 30, 2011 Customer contracts and related relationships [Member] Omneon [Member] Year	Sep. 30, 2011 Maintenance agreements and related relationships [Member] Omneon [Member] Year	Sep. 30, 2011 In-process Technology [Member] Year	Sep. 30, 2011 Order backlog [Member] Omneon [Member] Year	Dec. 31, 2010 Omneon [Member]	Sep. 15, 2010 Omneon [Member]
Acquisitions (Textual) [Abstract]
Equity interest acquired											100.00%
Goodwill Acquired											$ 147,750,000
Purchase price of Acquisition											251,317,000
Cash net of purchase price											40,485,000
Purchase price paid as net of cash											153,300,000
Number of common stocks paid as purchase price											14.2
Purchase price paid as Common Stocks											95,900,000
Fair value of equity awards included in Purchase consideration											2,100,000
Transaction expenses										5,900,000
Discount Rate of Intangible Assets											15.00%
Estimated useful life of intangible assets			4	4	4	6	6	4	3.5
Fair value of stock options and restricted stock units issued to employees	17,300,000										17,300,000
Compensation expense to be recorded for stock options and restricted stock		15,200,000
Weighted average service period											2 years 6 months
Gross amount due from accounts receivable		$ 17,760,000

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Compensation expense to be recorded for stock options and restricted stock.

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Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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Percentage of voting equity interests acquired in the business combination.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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