v2.4.0.6

Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 55,381	$ 160,403
Short-term investments	302,865	191,672
Accounts receivable, net of allowance of $2,095 and $1,571, respectively	58,610	59,739
Inventory	10,539	10,246
Deferred product costs	1,006	1,515
Deferred tax asset, net	9,423	4,809
Income taxes receivable		4,341
Other current assets	7,190	4,385
Total current assets	445,014	437,110
Long-term investments	27,220	20,096
Property and equipment, net	44,264	26,252
Intangible assets, net	19,331	8,569
Goodwill	15,263	3,778
Deferred tax asset, net	27,758	18,371
Other assets	362	230
Total assets	579,212	514,406
Current liabilities:
Accounts payable	12,845	10,318
Accrued expenses and other current liabilities	18,964	12,715
Deferred revenue	23,482	22,261
Total current liabilities	55,291	45,294
Deferred rent, net of current portion	9,620	4,533
Deferred revenue, net of current portion	3,663	2,049
Deferred tax liability	2,914
Commitments and contingencies (Note 8)
Stockholders' equity:
Undesignated preferred stock, $0.001 par value: Authorized-5,000,000 shares; Issued and outstanding-0 shares
Common stock, $0.001 par value: Authorized-150,000,000 shares; Issued 76,276,676 and 74,386,524 shares, respectively	76	74
Additional paid-in capital	442,990	363,769
Treasury stock, at cost-8,405,061 and 6,780,061 shares, respectively	(66,311)	(37,522)
Accumulated other comprehensive income	3	1
Retained earnings	130,966	136,208
Total stockholders' equity	507,724	462,530
Total liabilities and stockholders' equity	$ 579,212	$ 514,406

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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