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Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		8 Months Ended
	Sep. 09, 2018	Sep. 10, 2017	Sep. 09, 2018	Sep. 10, 2017
Earnings Per Share [Abstract]
Net income available to common stockholders - basic and diluted	$ 84,095	$ 56,368	$ 250,330	$ 184,578
Basic weighted average number of shares	41,585,933	46,034,807	42,150,693	47,282,393
Earnings per share - basic	$ 2.02	$ 1.22	$ 5.94	$ 3.90
Diluted weighted average number of shares	43,067,191	47,715,788	43,675,627	49,066,610
Earnings per share - diluted	$ 1.95	$ 1.18	$ 5.73	$ 3.76

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