Stock Option and Stock Award Plans - Restricted Stock, etc. (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Mar. 04, 2023	Feb. 26, 2022	Feb. 27, 2021
Additional General Disclosures
Stock-based compensation costs (benefit)	$ 11,537	$ 13,050	$ 13,003
Unvested Restricted stock
Stock Options and Stock Awards
Vesting period	3 years
Restricted stock, Shares
Outstanding at the beginning of the period (in shares)	1,533	1,293	1,253
Granted (in shares)	1,662	973	780
Vested (in shares)	(1,349)	(546)	(574)
Canceled (in shares)	(370)	(187)	(166)
Outstanding at the end of the period (in shares)	1,476	1,533	1,293
Restricted stock, Weighted Average Fair Value
Outstanding at the beginning of the period (in dollars per share)	$ 14.42	$ 13.23	$ 10.32
Granted (in dollars per share)	6.50	15.00	17.79
Vested (in dollars per share)	12.40	12.25	13.37
Canceled (in dollars per share)	10.83	15.51	12.23
Outstanding at the end of the period (in dollars per share)	$ 8.25	$ 14.42	$ 13.23
Unrecognized pre-tax compensation costs related to unvested stock options, restricted stock grants and performance shares
Unrecognized pre-tax costs	$ 9,719
Weighted average amortization period	1 year 8 months 12 days
Restricted stock, Additional disclosures
Total fair value of awards vested during the period	$ 16,746	$ 6,677	$ 7,670
Performance based awards
Additional General Disclosures
Stock-based compensation costs (benefit)	$ (3,080)	$ 2,143	$ 3,278

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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