Fair Value Measurements (Tables)

6 Months Ended

Aug. 31, 2021

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, 2021
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	722,607		$	—		$	722,607
Mutual fund investments	25,428			—			25,428
Equity investments	24,177			—			24,177
Derivative instruments not designated as hedges	—			377			377
Total assets at fair value	$	772,212		$	377		$	772,589
Percent of total assets at fair value	100.0		%	—		%	100.0		%
Percent of total assets	3.2		%	—		%	3.2		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(6,593)		$	(6,593)
Derivative instruments not designated as hedges	—			(102)			(102)
Total liabilities at fair value	$	—		$	(6,695)		$	(6,695)
Percent of total liabilities	—		%	—		%	—		%

	As of February 28, 2021
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	685,585		$	—		$	685,585
Mutual fund investments	24,049			—			24,049
Derivative instruments designated as hedges	—			4,061			4,061
Derivative instruments not designated as hedges	—			501			501
Total assets at fair value	$	709,634		$	4,562		$	714,196
Percent of total assets at fair value	99.4		%	0.6		%	100.0		%
Percent of total assets	3.3		%	—		%	3.3		%
Liabilities:
Derivative instruments designated as hedges	$	—		$	(6,024)		$	(6,024)
Total liabilities at fair value	$	—		$	(6,024)		$	(6,024)
Percent of total liabilities	—		%	—		%	—		%

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

(In thousands)	As of August 31, 2021		As of February 28, 2021
Carrying value	$	500,000	$	500,000
Fair value	$	556,528	$	556,993