CONSOLIDATED BALANCE SHEET (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 245,088	$ 179,915
Accounts receivable, net	13,574	12,997
Inventories	5,032	3,726
Deferred tax asset, current portion	7,713	598
Prepaid expenses and other current assets	15,268	13,870
Total current assets	286,675	211,106
Property and equipment, net	92,667	54,123
Intangible assets, net	122,269	95,016
Goodwill	358,349	340,408
Deferred tax asset, net of current portion	854	3,785
Other assets	4,310	5,448
Total assets	865,124	709,886
Current liabilities:
Accounts payable	31,503	9,470
Accrued liabilities	88,472	59,271
Deferred revenue	17,845	12,106
Total current liabilities	137,820	80,847
Deferred tax liability	24,298	13,948
Other liabilities	11,720	6,094
Total liabilities	173,838	100,889
Commitments and contingencies (Note 5)
Stockholders’ equity:
Common stock, $0.0001 par value; 100,000 shares authorized; 36,358 and 34,839 shares issued and outstanding on December 31, 2012 and December 31, 2011, respectively	4	4
Additional paid-in capital	652,110	589,067
Accumulated earnings	39,172	19,926
Total stockholders' equity	691,286	608,997
Total liabilities and stockholders' equity	$ 865,124	$ 709,886