Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Oct. 31, 2015	Jan. 31, 2015
Current assets:
Cash and cash equivalents	$ 236,465	$ 170,291
Marketable securities	40,255	37,703
Accounts receivable, net	46,282	40,180
Inventories	22,788	21,693
Restricted cash	8	8
Deferred tax assets, current	1,990	1,990
Prepaid expenses and other current assets	3,591	3,506
Total current assets	351,379	275,371
Property and equipment, net	3,215	3,075
Deferred tax assets, non-current	3,955	3,936
Intangible assets, net	4,124	0
Goodwill	26,601	0
Other assets	2,018	1,902
Total assets	391,292	284,284
Current liabilities:
Accounts payable	22,621	21,036
Accrued liabilities	18,324	18,699
Income taxes payable	1,555	748
Deferred tax liabilities, current	85	92
Deferred revenue, current	6,944	4,907
Total current liabilities	49,529	45,482
Deferred revenue, non-current	0	198
Other long-term liabilities	9,394	1,393
Total liabilities	58,923	47,073
Commitments and contingencies (Note 13)	0	0
Shareholders' equity:
Preference shares, $0.00045 par value per share, 20,000,000 shares authorized and no shares issued and outstanding at October 31, 2015 and January 31, 2015, respectively	0	0
Ordinary shares, $0.00045 par value per share, 200,000,000 shares authorized at October 31, 2015 and January 31, 2015, respectively; 32,049,374 shares issued and outstanding at October 31, 2015; 30,837,529 shares issued and outstanding at January 31, 2015	14	14
Additional paid-in capital	164,324	140,564
Accumulated other comprehensive loss	(15)	(1)
Retained earnings	168,046	96,634
Total shareholders’ equity	332,369	237,211
Total liabilities and shareholders' equity	$ 391,292	$ 284,284