Stock-Based Compensation - Changes in the Company's Restricted Stock (Details) - $ / shares	9 Months Ended	12 Months Ended
Nov. 26, 2022	Feb. 26, 2022	Feb. 27, 2021
Weighted Average Grant-Date Fair Value
Granted, Weighted Average Grant Date Fair Value (in dollars per share)		$ 29
Vested, Weighted Average Grant Date Fair Value ( in dollars per share)		12.38
Forfeited, Weighted Average Grant-Date Fair Value (in dollars per share)		$ 17.62
Restricted Stock Awards
Number of Restricted Stock Units
Unvested shares, beginning of period (in shares)	472,000
Granted (in shares)	392,000
Vested (in shares)	(165,000)
Forfeited (in shares)	(128,000)
Unvested shares, end of period (in shares)	571,000	472,000
Weighted Average Grant-Date Fair Value
Unvested shares, Weighted Average Grant Date Fair Value, beginning of period (in dollars per share)	$ 32.38
Granted, Weighted Average Grant Date Fair Value (in dollars per share)	4.9
Vested, Weighted Average Grant Date Fair Value ( in dollars per share)	38.73
Forfeited, Weighted Average Grant-Date Fair Value (in dollars per share)	28.21
Unvested shares, Weighted Average Grant Date Fair Value, end of period (in dollars per share)	$ 12.61	$ 32.38
Restricted Stock Awards \| The 2012 and 2018 Plans
Number of Restricted Stock Units
Unvested shares, beginning of period (in shares)	472,000	935,000
Granted (in shares)		47,000
Vested (in shares)		(324,000)
Forfeited (in shares)		(186,000)
Unvested shares, end of period (in shares)		472,000	935,000
Weighted Average Grant-Date Fair Value
Unvested shares, Weighted Average Grant Date Fair Value, beginning of period (in dollars per share)	$ 32.38	$ 34.34
Granted, Weighted Average Grant Date Fair Value (in dollars per share)		29.58
Vested, Weighted Average Grant Date Fair Value ( in dollars per share)		39.01
Forfeited, Weighted Average Grant-Date Fair Value (in dollars per share)		29.96
Unvested shares, Weighted Average Grant Date Fair Value, end of period (in dollars per share)		$ 32.38	$ 34.34
Share-Settled
Number of Restricted Stock Units
Unvested shares, beginning of period (in shares)	2,600,000
Granted (in shares)	117,000
Vested (in shares)	(1,361,000)
Forfeited (in shares)	(660,000)
Unvested shares, end of period (in shares)	696,000	2,600,000
Weighted Average Grant-Date Fair Value
Unvested shares, Weighted Average Grant Date Fair Value, beginning of period (in dollars per share)	$ 17.07
Granted, Weighted Average Grant Date Fair Value (in dollars per share)	11.79
Vested, Weighted Average Grant Date Fair Value ( in dollars per share)	15.1
Forfeited, Weighted Average Grant-Date Fair Value (in dollars per share)	18.64
Unvested shares, Weighted Average Grant Date Fair Value, end of period (in dollars per share)	$ 18.55	$ 17.07
Cash-Settled
Number of Restricted Stock Units
Unvested shares, beginning of period (in shares)	57,000
Granted (in shares)	2,272,000
Vested (in shares)	(114,000)
Forfeited (in shares)	(741,000)
Unvested shares, end of period (in shares)	1,474,000	57,000
Weighted Average Grant-Date Fair Value
Unvested shares, Weighted Average Grant Date Fair Value, beginning of period (in dollars per share)	$ 23.44
Granted, Weighted Average Grant Date Fair Value (in dollars per share)	8.93
Vested, Weighted Average Grant Date Fair Value ( in dollars per share)	9.82
Forfeited, Weighted Average Grant-Date Fair Value (in dollars per share)	10.28
Unvested shares, Weighted Average Grant Date Fair Value, end of period (in dollars per share)	$ 8.75	$ 23.44
Restricted Stock Units (RSUs) \| The 2012 and 2018 Plans
Number of Restricted Stock Units
Unvested shares, beginning of period (in shares)	2,600,000	2,270,000
Granted (in shares)		1,108,000
Vested (in shares)		(420,000)
Forfeited (in shares)		(358,000)
Unvested shares, end of period (in shares)		2,600,000	2,270,000
Weighted Average Grant-Date Fair Value
Unvested shares, Weighted Average Grant Date Fair Value, beginning of period (in dollars per share)	$ 17.07	$ 14.04
Granted, Weighted Average Grant Date Fair Value (in dollars per share)		24.91
Vested, Weighted Average Grant Date Fair Value ( in dollars per share)		17.03
Forfeited, Weighted Average Grant-Date Fair Value (in dollars per share)		22.16
Unvested shares, Weighted Average Grant Date Fair Value, end of period (in dollars per share)		$ 17.07	$ 14.04
Restricted Stock Units (RSUs) \| Inducement Awards
Number of Restricted Stock Units
Unvested shares, beginning of period (in shares)	437,000	949,000
Granted (in shares)	0	0	816,158
Vested (in shares)	(437,000)	(512,000)
Forfeited (in shares)	0	0
Unvested shares, end of period (in shares)	0	437,000	949,000
Weighted Average Grant-Date Fair Value
Unvested shares, Weighted Average Grant Date Fair Value, beginning of period (in dollars per share)	$ 6.1	$ 7.36
Granted, Weighted Average Grant Date Fair Value (in dollars per share)	0	0
Vested, Weighted Average Grant Date Fair Value ( in dollars per share)	6.09	8.43
Forfeited, Weighted Average Grant-Date Fair Value (in dollars per share)	0	0
Unvested shares, Weighted Average Grant Date Fair Value, end of period (in dollars per share)	$ 0	$ 6.1	$ 7.36

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

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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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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