Summary of Information Regarding Stock Options (Detail) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 26, 2021 USD ($) $ / shares shares
Number of Options
Beginning Balance, number of options | shares	17,650
Exercised, number of options | shares	(5,280)
Ending Balance, number of options | shares	12,370
Weighted Average Exercise Price per Share
Beginning Balance, Weighted Average Exercise Price per Share | $ / shares	$ 54.16
Exercised, Weighted Average Exercise Price per Share | $ / shares	51.83
Ending Balance, Weighted Average Exercise Price per Share | $ / shares	$ 55.15
Options Exercisable, Number of Options
Options exercisable at the ending, Number of Options | shares	12,370
Options Exercisable, Weighted Average Exercise Price per Share
Options exercisable at the ending, Weighted Average Exercise Price per Share | $ / shares	$ 55.15
Weighted Average Remaining Contractual Term (years)
Options outstanding at June 26, 2021	1 year 3 months 18 days
Options exercisable at June 26, 2021	1 year 3 months 18 days
Aggregate Intrinsic Value
Options outstanding at June 26, 2021 | $	$ 1,304
Options exercisable at June 26, 2021 | $	$ 1,304