CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Jan. 31, 2013
Current assets:
Cash and cash equivalents	$ 351,895	$ 305,939
Accounts receivable, net	53,995	63,948
Prepaid expenses and other current assets	8,669	6,861
Total current assets	414,559	376,748
Property and equipment, net	14,437	13,205
Intangible assets, net	4,594	0
Goodwill	5,734	0
Other assets	502	492
Total assets	439,826	390,445
Current liabilities:
Accounts payable	2,018	1,632
Accrued payroll and compensation	30,655	28,123
Accrued expenses and other liabilities	12,781	7,636
Deferred revenue, current portion	107,712	79,568
Total current liabilities	153,166	116,959
Deferred revenue, non-current	33,433	35,144
Other liabilities, non-current	3,145	798
Total non-current liabilities	36,578	35,942
Total liabilities	189,744	152,901
Commitments and contingencies (Note 3)
Stockholders' equity:
Common stock: $0.001 par value; 1,000,000,000 shares authorized; 105,237,779 shares issued and outstanding at July 31, 2013, and 100,920,350 shares issued and outstanding at January 31, 2013	107	101
Accumulated other comprehensive loss	(156)	(135)
Additional paid-in capital	387,207	328,277
Accumulated deficit	(137,076)	(90,699)
Total stockholders' equity	250,082	237,544
Total liabilities and stockholders' equity	$ 439,826	$ 390,445