4. Balance Sheet Details:

Inventories consist of the following (in thousands):

Prepaid expenses and other current assets consist of the following (in thousands):

Property and equipment, net, consist of the following (in thousands):


			December 31,
	Estimated useful Life		2011			2010
Computer equipment and software		3 to 5 years	$	219,788		$	184,650
Equipment, furniture and fixtures		1 to 5 years		93,686			76,578
Tooling equipment		3 years		21,287			19,900
Leasehold improvements		3 to 13 years		50,730			36,758

				385,491			317,886
Less: Accumulated depreciation and amortization				(255,444	)		(207,565	)

			$	130,047		$	110,321

Deferred revenues consist of the following (in thousands):

Other accrued liabilities consist of the following (in thousands):


	December 31,
	2011		2010
Accrued expenses	$	15,496	$	12,751
Accrued co-op expenses		4,862		6,104
Restructuring reserves		3,150		3,262
Warranty obligations		11,886		9,569
Derivative liability		4,609		4,998
Employee stock purchase plan withholding		11,116		7,129
Other accrued liabilities		10,383		10,838

	$	61,502	$	54,651