Schedule of Quarterly Financial Data (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended									12 Months Ended
	Mar. 03, 2018	[1]	Nov. 25, 2017	Aug. 26, 2017	May 27, 2017	Feb. 25, 2017	Nov. 26, 2016	Aug. 27, 2016	May 28, 2016	Mar. 03, 2018	Feb. 25, 2017	Feb. 27, 2016
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 512,229		$ 469,161	$ 407,607	$ 409,525	$ 528,352	$ 475,901	$ 405,823	$ 418,370	$ 1,798,522	$ 1,828,446	$ 1,892,230
Gross profit	189,713		176,676	140,164	151,597	206,912	196,393	145,036	148,967	658,150	697,308	704,980
SG&A expenses	148,201		150,395	138,087	140,195	148,509	160,833	135,777	142,724	576,878	587,843	578,828
Operating income (loss)	27,882		13,448	(11,340)	(2,321)	44,756	22,253	(4,339)	(7,808)	27,669	54,862	75,208
Net income (loss)	$ 15,054		$ 7,381	$ (7,823)	$ (2,986)	$ 26,641	$ 13,577	$ (4,069)	$ (6,020)	$ 11,626	$ 30,129	$ 39,634
Average shares outstanding — basic	79,835		79,658	80,350	81,080	80,898	80,680	80,437	81,663	80,223	80,919	84,939
Average shares outstanding — diluted	79,854		79,658	80,350	81,080	81,156	80,683	80,437	81,663	80,254	80,984	85,370
Basic earnings (loss) per share	$ 0.19		$ 0.09	$ (0.10)	$ (0.04)	$ 0.33	$ 0.17	$ (0.05)	$ (0.07)	$ 0.14	$ 0.37	$ 0.47
Diluted earnings (loss) per share	$ 0.19		$ 0.09	$ (0.10)	$ (0.04)	$ 0.33	$ 0.17	$ (0.05)	$ (0.07)	$ 0.14	$ 0.37	$ 0.46

[1] The quarter ended March 3, 2018 consisted of 14 weeks, compared to 13 weeks for the quarter ended February 25, 2017