BUSINESS COMBINATION: (Details) (Voltaire Ltd, USD $) In Thousands, unless otherwise specified	Feb. 07, 2011
Voltaire Ltd
Purchase price allocation:
Current assets	$ 52,131
Other long-term assets	10,875
Intangible assets	36,052
Goodwill	132,885
Total assets	231,943
Current liabilities	(11,369)
Long-term liabilities	(6,606)
Total liabilities	(17,975)
Total purchase price allocation	$ 213,968

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