CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2017	Nov. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 21,384	$ (3,665)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation expense	5,953	6,034
Intangible assets amortization expense	11,278	11,203
Stock-based compensation expense	6,664	5,669
Tax benefits on vested and exercised equity awards	328
Amortization of convertible debt issue costs and discount	5,551	5,221
Unrealized foreign currency transaction gains	(404)
Deferred tax assets, net	2,873	(511)
Equity in net loss of affiliate	1,122	1,004
Impairment of internal use software		1,364
Other	59	(12)
Changes in operating assets and liabilities:
Accounts receivable	(5,120)	3,496
Inventories	(9,449)	(1,785)
Prepaid expenses and other assets	(3,977)	1,904
Accounts payable	12,035	(1,245)
Accrued liabilities	8,783	(9,742)
Deferred revenue	1,651	860
NET CASH PROVIDED BY OPERATING ACTIVITIES	58,731	19,795
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of marketable securities	11,273	88,742
Purchases of marketable securities	(17,209)	(25,699)
Capital expenditures	(5,970)	(5,818)
Acquisition of LoJack, net of cash acquired		(116,982)
Advances to affiliate	(1,312)	(1,401)
Other	(152)	(51)
NET CASH USED IN INVESTING ACTIVITIES	(13,370)	(61,209)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchases of common stock		(21,923)
Taxes paid related to net share settlement of vested equity awards	(2,452)	(1,614)
Proceeds from exercise of stock options	145	834
NET CASH USED IN FINANCING ACTIVITIES	(2,307)	(22,703)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	1,335	(124)
Net change in cash and cash equivalents	44,389	(64,241)
Cash and cash equivalents at beginning of period	93,706	139,388
Cash and cash equivalents at end of period	$ 138,095	$ 75,147