OTHER FINANCIAL INFORMATION (Tables)

6 Months Ended

Aug. 31, 2018

Supplemental Balance Sheet Information

Other current liabilities consist of the following (in thousands):

	August 31,		February 28,
	2018		2018
Warranty reserves	$	5,570	$	5,734
Litigation reserve		18,446		17,559
Accrued restructuring costs		1,719		—
Other		5,886		8,395
	$	31,621	$	31,688

Other non-current liabilities consist of the following (in thousands):

	August 31,		February 28,
	2018		2018
Deferred revenue	$	25,803	$	16,763
Deferred compensation plan liability		7,088		5,642
Accrued restructuring costs		1,578		—
Other		1,731		1,844
	$	36,200	$	24,249

Supplemental Statement of Comprehensive Income (Loss) Information

Interest expense consists of the following (in thousands):

	Three Months Ended				Six Months Ended
	August 31,				August 31,
	2018		2017		2018		2017
Interest expense on 2020 Convertible Notes:
Stated interest at 1.625% per annum	$	611	$	704	$	1,312	$	1,405
Amortization of note discount		1,515		1,653		3,228		3,263
Amortization of debt issue costs		176		210		394		416
		2,302		2,567		4,934		5,084
Interest expense on 2025 Convertible Notes:
Stated interest at 2.00% per annum		511		—		511		—
Amortization of note discount		839		—		839		—
Amortization of debt issue costs		62		—		62		—
		1,412		—		1,412		—
Other interest expense		53		—		86		1
Total interest expense	$	3,767	$	2,567	$	6,432	$	5,085

“Net cash provided by operating activities” includes cash payments for interest expense and income taxes as follows (in thousands):

The following is the supplemental schedule of non-cash investing and financing activities (in thousands):

	Six Months Ended
	August 31,
	2018		2017
Equity investment in and loan to ThinxNet (see Note 5)	$	300	$	2,674