Fair Value Measurements (Tables)

9 Months Ended

Nov. 30, 2022

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, 2022
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	1,261,183		$	—		$	1,261,183
Mutual fund investments	21,485			—			21,485
Derivative instruments designated as hedges	—			89,485			89,485
Derivative instruments not designated as hedges	—			32,923			32,923
Total assets at fair value	$	1,282,668		$	122,408		$	1,405,076
Percent of total assets at fair value	91.3		%	8.7		%	100.0		%
Percent of total assets	4.9		%	0.5		%	5.4		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(3,599)		$	(3,599)
Total liabilities at fair value	$	—		$	(3,599)		$	(3,599)
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 November 30, 2022		As of February 28, 2022
Carrying value	$	500,000	$	500,000
Fair value	$	474,771	$	517,396