Common Stock and Subsequent Event- Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Jul. 13, 2017	Aug. 26, 2017	Aug. 27, 2016	Aug. 26, 2017	Aug. 27, 2016	Feb. 25, 2017
Equity [Abstract]
Treasury stock purchased				250,000
Stock repurchase program, average price per share (in USD per share)				$ 15.29
Treasury stock purchased				$ 3,800
Stock repurchase program, shares available to repurchase		4,541,936		4,541,936
Treasury stock, shares held		19,523,094	19,421,000	19,523,094	19,421,000	19,197,000
Treasury stock, average price per share (in USD per share)				$ 20.53
Treasury stock, value		$ 400,777	$ 390,085	$ 400,777	$ 390,085	$ 398,574
Dividends declared per share (in USD per share)	$ 0.11	$ 0.11	$ 0.1	$ 0.22	$ 0.20
Common stock dividend declared				$ 9,000
Common stock dividends payment		$ 4,500		$ 4,500