Fair Value Measurements (Tables)

12 Months Ended

Feb. 28, 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 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	—		%	—		%	—		%

	As of February 28, 2022
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	701,865		$	—		$	701,865
Mutual fund investments	24,022			—			24,022
Derivative instruments designated as hedges	—			39,452			39,452
Derivative instruments not designated as hedges	—			9,339			9,339
Total assets at fair value	$	725,887		$	48,791		$	774,678
Percent of total assets at fair value	93.7		%	6.3		%	100.0		%
Percent of total assets	2.8		%	0.2		%	2.9		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(1,379)		$	(1,379)
Total liabilities at fair value	$	—		$	(1,379)		$	(1,379)
Percent of total liabilities	—		%	—		%	—		%

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

(In thousands)	As of February 28, 2023		As of February 28, 2022
Carrying value	$	500,000	$	500,000
Fair value	$	473,749	$	517,396