Fair Value Measurements (Tables)

9 Months Ended

Nov. 30, 2019

Fair Value Disclosures [Abstract]

Schedule Of Items Measured At Fair Value On A Recurring Basis

Items Measured at Fair Value on a Recurring Basis

	As of November 30, 2019
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	234,676		$	—		$	234,676
Mutual fund investments	21,905			—			21,905
Derivative instruments	—			3,711			3,711
Total assets at fair value	$	256,581		$	3,711		$	260,292
Percent of total assets at fair value	98.6		%	1.4		%	100.0		%
Percent of total assets	1.3		%	—		%	1.3		%
Liabilities:
Derivative instruments	$	—		$	(1,653	)	$	(1,653	)
Total liabilities at fair value	$	—		$	(1,653	)	$	(1,653	)
Percent of total liabilities	—		%	—		%	—		%

	As of February 28, 2019
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	372,448		$	—		$	372,448
Mutual fund investments	19,263			—			19,263
Derivative instruments	—			1,844			1,844
Total assets at fair value	$	391,711		$	1,844		$	393,555
Percent of total assets at fair value	99.5		%	0.5		%	100.0		%
Percent of total assets	2.1		%	—		%	2.1		%
Liabilities:
Derivative instruments	$	—		$	(6,120	)	$	(6,120	)
Total liabilities at fair value	$	—		$	(6,120	)	$	(6,120	)
Percent of total liabilities	—		%	—		%	—		%

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

(In thousands)	As of November 30, 2019		As of February 28, 2019
Carrying value	$	500,000	$	500,000
Fair value	$	527,394	$	488,590