Acquisition (Tables)

12 Months Ended

Dec. 31, 2011

Acquisitions [Abstract]

Summarized purchase price at fair value of assets and liabilities

Total purchase consideration	$	291,802
Less the fair value of net assets acquired:
Net tangible asset acquired		34,952
Intangible assets acquired:
Existing technology		50,800
Customer contracts		29,200
Patents and core technology		9,800
In-process technology		9,000
Maintenance agreements		5,500
Trade names / trademarks		4,000
Order backlog		800
		109,100
Goodwill	$	147,750

Details of the net assets acquired are as follows:

Cash and cash equivalents	$	40,485
Accounts receivable, net (a)		17,055
Inventories		11,010
Property and equipment, net		12,093
Deferred income tax assets		18,021
Other tangible assets		3,294
Accounts payable		(6,829	)
Deferred revenue		(6,399	)
Deferred income tax liabilities		(42,575	)
Other accrued liabilities		(11,203	)
	$	34,952

^(a)  The gross contractual receivable is $17,760.

Total purchase consideration	$	86,369
Less the fair value of net assets acquired:
Net tangible assets acquired		38,422
Intangible assets acquired:
Existing technology		10,100
Customer contracts		4,000
Patents and core technology		3,500
In-process technology		2,400
Trade names / trademarks		2,100
Order backlog		2,000
Maintenance agreements		1,000
		25,100
Goodwill	$	22,847

Details of the net assets acquired are as follows:

Cash and cash equivalents	$	23,316
Short-term investments		1,899
Accounts receivable, net (a)		6,308
Inventories		15,899
Property and equipment, net		4,280
Other tangible assets		2,312
Accounts payable		(2,963	)
Deferred revenue		(336	)
Other accrued liabilities		(12,293	)
	$	38,422

^(a) The gross contractual receivable is $6,977.

Pro Forma Financial Information

	Year Ended December 31,
	2010			2009
Net revenues	$	506,904		$	428,885
Net loss	$	(17,619	)	$	(37,253	)
Net loss per share – basic and diluted	$	(0.16	)	$	(0.34	)