Reconciliation of Unrecognized Tax Benefits for Uncertain Tax Positions (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 03, 2018	Feb. 25, 2017	Feb. 27, 2016
Income Tax Disclosure [Abstract]
Unrecognized tax benefits — beginning balance	$ 6,990	$ 2,551	$ 765
Gross increases — tax positions in current period	219	4,643	231
Gross increases — tax positions in prior period	47	225	1,862
Gross decreases — tax positions in prior period	(2,065)	(320)	(60)
Settlements		(83)	(81)
Expiration of statute of limitations	(285)	(26)	(166)
Unrecognized tax benefits — ending balance	$ 4,906	$ 6,990	$ 2,551