CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Feb. 28, 2018	Feb. 28, 2017
Current assets:
Cash and cash equivalents	$ 132,603	$ 93,706
Short-term marketable securities	23,400	6,722
Accounts receivable, net	71,580	67,403
Inventories	36,302	29,279
Prepaid expenses and other current assets	12,000	9,595
Total current assets	275,885	206,705
Property and equipment, net	21,262	21,162
Deferred income tax assets	31,581	27,504
Goodwill	72,980	72,980
Other intangible assets, net	52,456	67,223
Other assets	18,829	12,565
Total assets	472,993	408,139
Current liabilities:
Accounts payable	35,478	30,266
Accrued payroll and employee benefits	10,606	7,955
Deferred revenue	17,757	14,662
Other current liabilities	31,688	24,958
Total current liabilities	95,529	77,841
1.625% convertible senior unsecured notes	154,299	146,827
Other non-current liabilities	24,249	20,229
Total liabilities	274,077	244,897
Commitments and contingencies (see Note 17 and 18)
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; 35,718 and 35,330 shares issued and outstanding at February 28, 2018 and 2017, respectively	357	353
Additional paid-in capital	218,217	211,187
Accumulated deficit	(19,459)	(47,757)
Accumulated other comprehensive loss	(199)	(541)
Total stockholders' equity	198,916	163,242
Total Liabilities and Stockholders' Equity	$ 472,993	$ 408,139