Income Tax - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Nov. 30, 2019	Aug. 31, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ 250		$ 17,876	$ 2,955	$ (2,321)
Effective tax rate	(0.40%)		(54.90%)	(1.20%)	1.80%
Valuation allowance		$ 2,609
Unrecognized tax benefits	$ 4,100			$ 4,100

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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