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Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		8 Months Ended
	Sep. 10, 2017	Sep. 11, 2016	Sep. 10, 2017	Sep. 11, 2016
Earnings Per Share [Abstract]
Net income available to common stockholders-basic and diluted	$ 56,368	$ 47,232	$ 184,578	$ 141,945
Basic weighted average number of shares	46,034,807	48,043,379	47,282,393	48,984,734
Earnings per share - basic	$ 1.22	$ 0.98	$ 3.90	$ 2.90
Diluted weighted average number of shares	47,715,788	49,242,182	49,066,610	50,309,217
Earnings per share - diluted	$ 1.18	$ 0.96	$ 3.76	$ 2.82

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

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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

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