CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	May 31, 2018	Feb. 28, 2018
Current assets:
Cash and cash equivalents	$ 169,509	$ 132,603
Short-term marketable securities	9,261	23,400
Accounts receivable, net	69,814	71,580
Inventories	32,557	36,302
Prepaid expenses and other current assets	13,076	12,000
Total current assets	294,217	275,885
Property and equipment, net	21,087	21,262
Deferred income tax assets	32,200	31,581
Goodwill	73,284	72,980
Other intangible assets, net	49,227	52,456
Other assets	23,407	18,829
Total assets	493,422	472,993
Current liabilities:
Accounts payable	42,939	35,478
Accrued payroll and employee benefits	6,471	10,606
Deferred revenue	20,232	17,757
Other current liabilities	31,541	31,688
Total current liabilities	101,183	95,529
1.625% convertible senior unsecured notes	156,230	154,299
Other non-current liabilities	33,568	24,249
Total liabilities	290,981	274,077
Commitments and contingencies (see Note 16)
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; 35,507 and 35,718 shares issued and outstanding at May 31, 2018 and February 28, 2018, respectively	355	357
Additional paid-in capital	214,811	218,217
Accumulated deficit	(12,109)	(19,459)
Accumulated other comprehensive loss	(616)	(199)
Total stockholders' equity	202,441	198,916
Total Liabilities and Stockholders' Equity	$ 493,422	$ 472,993