Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
May 28, 2022	May 29, 2021	Feb. 26, 2022
Income Taxes
Income tax (benefit) expense	$ 3,497	$ 780
Estimated effective tax rate (as a percent)	3.30%	(6.40%)
Increase in valuation allowance to offset the current year deferred state tax benefits (as a percent)	(37.60%)	(18.50%)
Decrease in unrecognized tax benefits related to state exposures	$ 25,130
Valuation allowance against net deferred tax assets	$ 1,862,823		$ 1,822,710

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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