Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 04, 2023	Feb. 26, 2022	Feb. 27, 2021
Numerator:
Net loss from continuing operations - basic	$ (749,936)	$ (538,478)	$ (100,070)
Net loss from continuing operations - diluted	(749,936)	(538,478)	(100,070)
Net income from discontinued operations - basic			9,161
Net income from discontinued operations - diluted			9,161
Loss attributable to common stockholders - basic	(749,936)	(538,478)	(90,909)
Loss attributable to common stockholders - diluted	$ (749,936)	$ (538,478)	$ (90,909)
Denominator:
Basic weighted average shares	54,680	54,055	53,653
Diluted weighted average shares	54,680	54,055	53,653
Earnings Per Share, Basic [Abstract]
Continuing operations	$ (13.71)	$ (9.96)	$ (1.87)
Discontinued operations			0.18
Basic loss per share	(13.71)	(9.96)	(1.69)
Earnings Per Share, Diluted [Abstract]
Continuing operations	(13.71)	(9.96)	(1.87)
Discontinued operations			0.18
Diluted loss per share	$ (13.71)	$ (9.96)	$ (1.69)
Incentive Stock options
Antidilutive securities excluded from computation of income per share
Shares excluded from the computation of diluted income (loss) per share	532	701	780
Unvested Restricted stock
Antidilutive securities excluded from computation of income per share
Shares excluded from the computation of diluted income (loss) per share	1,476	1,533	1,293