Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		8 Months Ended
	Sep. 11, 2016	Sep. 06, 2015	Sep. 11, 2016	Sep. 06, 2015
Earnings Per Share [Abstract]
Net income available to common stockholders - basic and diluted	$ 47,232	$ 37,832	$ 141,945	$ 130,030
Basic weighted average number of shares	48,043,379	54,463,073	48,984,734	54,834,627
Earnings per share - basic	$ 0.98	$ 0.69	$ 2.90	$ 2.37
Diluted weighted average number of shares	49,242,182	56,115,670	50,309,217	56,584,913
Earnings per share - diluted	$ 0.96	$ 0.67	$ 2.82	$ 2.30