FINANCING ARRANGEMENTS (Tables)

9 Months Ended

Nov. 30, 2018

Debt Disclosure [Abstract]

Schedule of Balances Attributable to the Notes

Balances attributable to the Notes consist of the following (in thousands):

	November 30,			February 28,
	2018			2018
2020 Convertible Notes
Principal	$	122,527		$	172,500
Less: Unamortized debt discount		(7,748	)		(16,143	)
Unamortized debt issuance costs		(979	)		(2,058	)
Net carrying amount of the 2020 Convertible Notes	$	113,800		$	154,299
2025 Convertible Notes
Principal	$	230,000
Less: Unamortized debt discount		(66,460	)
Unamortized debt issuance costs		(4,920	)
Net carrying amount of the 2025 Convertible Notes	$	158,620
Convertible senior unsecured notes, net	$	272,420