CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 16,940	$ 16,508	$ 11,803
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	3,582	2,796	1,822
Intangible assets amortization expense	6,626	6,590	6,283
Stock-based compensation expense	5,854	$ 4,100	$ 2,924
Amortization of convertible debt issue costs and discount	5,201
Deferred tax assets, net	4,122	$ 7,927	$ 5,935
Unrealized gain on investment in LoJack common stock	(1,416)
Equity in net loss of affiliate	829
Other	(66)	$ 247	$ 339
Changes in operating assets and liabilities:
Accounts receivable	(1,515)	(11,058)	(11,401)
Inventories	1,935	(3,704)	(1,301)
Prepaid expenses and other assets	(280)	(2,076)	(594)
Accounts payable	926	3,504	7,522
Accrued liabilities	5,972	1,314	(1,449)
Deferred revenue	(1,310)	2,497	933
NET CASH PROVIDED BY OPERATING ACTIVITIES	47,400	28,645	$ 22,816
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of marketable securities	71,991	15,145
Purchases of marketable securities	(150,532)	(16,304)	$ (9,018)
Capital expenditures	(4,317)	(7,437)	(2,133)
Acquisitions net of cash acquired	(1,500)		$ (52,954)
Purchase of LoJack common stock	(4,050)
Purchase of equity investment in affiliate	(2,156)
Other	(110)	(55)	$ (71)
NET CASH USED IN INVESTING ACTIVITIES	(90,674)	$ (8,651)	$ (64,176)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of convertible notes	172,500
Payment of debt issuance costs	(5,291)
Purchase of convertible note hedges	(31,343)
Proceeds from issuance of warrants	$ 15,991
Net repayments of bank term loan			$ (1,800)
Payment of acquisition-related note and contingent consideration	$ (2,037)	$ (2,673)	(1,579)
Taxes paid related to net share settlement of vested equity awards	(2,625)	(3,088)	(3,057)
Proceeds from exercise of stock options	1,283	718	3,928
NET CASH PROVIDED (USED) BY FINANCING ACTIVITIES	148,478	(5,043)	(2,508)
Net change in cash and cash equivalents	105,204	14,951	(43,868)
Cash and cash equivalents at beginning of year	34,184	19,233	63,101
Cash and cash equivalents at end of year	$ 139,388	$ 34,184	$ 19,233