Summary of Information Regarding Stock Options (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Number of Options
Beginning Balance, number of options	8,570	17,650	44,467
Exercised, number of options	(6,670)	(9,080)	(26,817)
Ending Balance, number of options	1,900	8,570	17,650
Weighted Average Exercise Price per Share
Beginning Balance, Weighted Average Exercise Price per Share	$ 55.42	$ 54.16	$ 51.24
Exercised, Weighted Average Exercise Price per Share	55.14	52.97	49.31
Ending Balance, Weighted Average Exercise Price per Share	$ 56.4	$ 55.42	$ 54.16
Options Exercisable, Number of Options
Options exercisable at the beginning, Number of Options	8,570	17,650	44,467
Options exercisable at the ending, Number of Options	1,900	8,570	17,650
Options Exercisable, Weighted Average Exercise Price per Share
Options exercisable at the beginning, Weighted Average Exercise Price per Share	$ 55.42	$ 54.16	$ 51.24
Options exercisable at the ending, Weighted Average Exercise Price per Share	$ 56.4	$ 55.42	$ 54.16