CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	May 31, 2016	Feb. 29, 2016
Current assets:
Cash and cash equivalents	$ 67,490	$ 139,388
Short-term marketable securities	50,140	88,718
Accounts receivable, less allowance for doubtful accounts of $680 and $622 at May 31, 2016 and February 29, 2016, respectively	69,390	49,432
Inventories	27,650	16,731
Prepaid expenses and other current assets	7,221	4,498
Total current assets	221,891	298,767
Property, equipment and improvements, net of accumulated depreciation and amortization	19,306	11,225
Deferred income tax assets	28,076	30,213
Goodwill	66,880	16,508
Other intangible assets, net	78,740	17,010
Other assets	10,696	10,640
Total assets	425,589	384,363
Current liabilities:
Accounts payable	36,141	24,938
Accrued payroll and employee benefits	10,833	6,814
Deferred revenue	16,823	9,438
Other current liabilities	18,843	8,375
Total current liabilities	82,640	49,565
1.625% convertible senior unsecured notes	141,499	139,800
Other non-current liabilities	12,624	5,551
Total liabilities	$ 236,763	$ 194,916
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value; 3,000 shares authorized; no shares issued or outstanding
Common stock, $.01 par value; 80,000 shares authorized; 36,749 and 36,667 shares issued and outstanding at May 31, 2016 and February 29, 2016, respectively	$ 367	$ 367
Additional paid-in capital	231,704	229,159
Accumulated deficit	(42,512)	(39,853)
Accumulated other comprehensive loss	(733)	(226)
Total stockholders' equity	188,826	189,447
Total Liabilities and Stockholders' Equity	$ 425,589	$ 384,363