Fair Value Measurements (Tables)

12 Months Ended

Feb. 29, 2020

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 February 29, 2020
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	273,203		$	—		$	273,203
Mutual fund investments	22,668			—			22,668
Derivative instruments	—			—			—
Total assets at fair value	$	295,871		$	—		$	295,871
Percent of total assets at fair value	100.0		%	—		%	100.0		%
Percent of total assets	1.4		%	—		%	1.4		%
Liabilities:
Derivative instruments	$	—		$	(23,992	)	$	(23,992	)
Total liabilities at fair value	$	—		$	(23,992	)	$	(23,992	)
Percent of total liabilities	—		%	0.1		%	0.1		%

	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 February 29, 2020		As of February 28, 2019
Carrying value	$	500,000	$	500,000
Fair value	$	546,197	$	488,590