Business Acquisitions (Tables) (Cotendo Acquisition [Member])

9 Months Ended

Sep. 30, 2012

Cotendo Acquisition [Member]

Business Acquisition [Line Items]

Schedule of Purchase Price Allocation

The following table presents the preliminary allocation of the purchase price for Cotendo (in thousands):

Total purchase consideration	$	278,877
Allocation of the purchase consideration
Current assets, including cash and cash equivalents of $6,405	$	6,751
Trade receivables	2,920
Property and equipment	5,812
Indemnification assets	6,200
Long-term assets	75
Identifiable intangible assets	43,800
Goodwill	241,386
Deferred tax liabilities	(22,934		)
Other liabilities assumed	(5,133		)
	$	278,877

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination

The following were the identified intangible assets acquired and the respective estimated periods over which such assets will be amortized (in thousands except for years):

	Gross Carrying Amount		Weighted Average Useful Life
Completed technology	$	24,100	6
Customer relationships	13,400		9
Non-compete agreements	3,900		6
Trademarks and trade names	2,400		10
Total	$	43,800