Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Aug. 27, 2022	Aug. 28, 2021	Aug. 27, 2022	Aug. 28, 2021	Feb. 26, 2022
Income Taxes
Income tax (benefit) expense	$ 11,967	$ 3,310	$ 15,464	$ 4,090
Effective tax rate (as a percent)	(3.80%)	(3.40%)	(3.60%)	(3.70%)
Valuation allowance to offset the current year deferred state tax benefits (as a percent)	88.40%	(22.90%)	57.00%	(22.40%)
Adjustments to valuation allowance			$ 380,509
Decrease in unrecognized tax benefits related to state exposures	$ 25,130		25,130
Valuation allowance against net deferred tax assets	$ 1,580,017		$ 1,580,017		$ 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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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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