Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 16, 2019	Jun. 17, 2018	Jun. 16, 2019	Jun. 17, 2018
Earnings Per Share [Abstract]
Net income available to common stockholders - basic and diluted	$ 92,359	$ 77,408	$ 185,009	$ 166,235
Basic weighted average number of shares	41,023,269	42,044,035	40,944,400	42,433,073
Earnings per share – basic	$ 2.25	$ 1.84	$ 4.52	$ 3.92
Diluted weighted average number of shares	42,236,507	43,582,996	42,219,649	43,981,253
Earnings per share – diluted	$ 2.19	$ 1.78	$ 4.38	$ 3.78