Business Combinations (Tables)

12 Months Ended

Dec. 31, 2011

Business Combinations [Abstract]

Summary Of Purchase Consideration Of Assets And Liabilities Assumed

Tangible assets:
Current assets	$	8,204
Property and equipment		2,990
Long-term assets		1,257
Total tangible assets acquired		12,451
Liabilities:
Current liabilities		(7,786	)
Long-term liabilities		(4,362	)
Total liabilities assumed		(12,148	)
Fair value of net assets acquired		303
Intangible assets consisting of:
Core and developed technology		20,600
Customer and partner relationships		50,100
Trade name		1,400
In-Process Research and Development ("IPRD")		1,400
Other		500
Deferred tax liability		(1,625	)
Goodwill		91,159
Total consideration	$	163,837