Fair Value Measurements (Tables)

9 Months Ended

Nov. 30, 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 November 30, 2020
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	524,297		$	—		$	524,297
Mutual fund investments	21,978			—			21,978
Derivative instruments designated as hedges	—			1,189			1,189
Derivative instruments not designated as hedges	—			65			65
Total assets at fair value	$	546,275		$	1,254		$	547,529
Percent of total assets at fair value	99.8		%	0.2		%	100.0		%
Percent of total assets	2.6		%	—		%	2.6		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(7,164)		$	(7,164)
Total liabilities at fair value	$	—		$	(7,164)		$	(7,164)
Percent of total liabilities	—		%	—		%	—		%

	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
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 designated as hedges	$	—		$	(23,992)		$	(23,992)
Total liabilities at fair value	$	—		$	(23,992)		$	(23,992)
Percent of total liabilities	—		%	0.1		%	0.1		%

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

(In thousands)	As of November 30, 2020		As of February 29, 2020
Carrying value	$	500,000	$	500,000
Fair value	$	560,115	$	546,197