Fair Value Measurements (Tables)

6 Months Ended

Aug. 31, 2023

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 August 31, 2023
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	1,154,122		$	—		$	1,154,122
Mutual fund investments	25,558			—			25,558
Derivative instruments designated as hedges	—			83,914			83,914
Derivative instruments not designated as hedges	—			23,367			23,367
Total assets at fair value	$	1,179,680		$	107,281		$	1,286,961
Percent of total assets at fair value	91.7		%	8.3		%	100.0		%
Percent of total assets	4.3		%	0.4		%	4.7		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(401)		$	(401)
Total liabilities at fair value	$	—		$	(401)		$	(401)
Percent of total liabilities	—		%	—		%	—		%

	As of February 28, 2023
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	865,943		$	—		$	865,943
Mutual fund investments	22,671			—			22,671
Derivative instruments designated as hedges	—			97,328			97,328
Derivative instruments not designated as hedges	—			33,870			33,870
Total assets at fair value	$	888,614		$	131,198		$	1,019,812
Percent of total assets at fair value	87.1		%	12.9		%	100.0		%
Percent of total assets	3.4		%	0.5		%	3.9		%
Liabilities:
Total liabilities at fair value	$	—		$	—		$	—
Percent of total liabilities	—		%	—		%	—		%

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

(In thousands)	As of August 31, 2023		As of February 28, 2023
Carrying value	$	400,000	$	500,000
Fair value	$	374,226	$	473,749