CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 01, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 56,995	$ 126,190
Short-term investments	19,238	26,604
Accounts receivable, net	95,477	69,515
Inventories	42,415	38,819
Prepaid expenses and other current assets	42,318	25,003
Total current assets	256,443	286,131
Property and equipment, net	36,781	27,012
Goodwill	237,899	197,781
Intangibles, net	46,042	4,097
Other long-term assets	33,528	9,936
Total assets	610,693	524,957
Current liabilities:
Other debts and capital lease obligations, current	8,843	0
Accounts payable	31,774	19,364
Income taxes payable	314	307
Deferred revenue	59,747	33,856
Accrued liabilities	61,192	31,354
Total current liabilities	161,870	84,881
Convertible notes, long-term	99,482	98,295
Other debts and capital lease obligations, long-term	16,464
Income taxes payable, long-term	3,933	3,886
Deferred tax liabilities, long-term	1,247	0
Other non-current liabilities	16,424	9,727
Total liabilities	$ 299,420	$ 196,789
Commitments and contingencies (Note 16)
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued or outstanding	$ 0	$ 0
Common stock, $0.001 par value, 150,000 shares authorized; 77,311 and 76,015 shares issued and outstanding at April 1, 2016 and December 31, 2015, respectively	77	76
Additional paid-in capital	2,240,830	2,236,418
Accumulated deficit	(1,929,088)	(1,903,908)
Accumulated other comprehensive loss	(546)	(4,418)
Total stockholders’ equity	311,273	328,168
Total liabilities and stockholders’ equity	$ 610,693	$ 524,957