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Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		8 Months Ended
	Sep. 06, 2015	Sep. 07, 2014	Sep. 06, 2015	Sep. 07, 2014
Earnings Per Share [Abstract]
Net income available to common stockholders - basic and diluted	$ 37,832	$ 35,618	$ 130,030	$ 114,554
Basic weighted average number of shares	54,463,073	54,620,539	54,834,627	54,949,257
Earnings per share - basic	$ 0.69	$ 0.65	$ 2.37	$ 2.08
Diluted weighted average number of shares	56,115,670	56,610,608	56,584,913	57,030,669
Earnings per share - diluted	$ 0.67	$ 0.63	$ 2.30	$ 2.01

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.