Stock-Based Compensation - Summary of Stock Option Activity (Detail)	6 Months Ended
	Jun. 27, 2020 USD ($) $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Beginning Balance, Shares | shares	181,712
Granted, Shares | shares	102,584
Forfeited, Shares | shares	(4,728)
Exercised, Shares | shares	(419)
Ending Balance, Shares | shares	279,149
Options Exercisable, Shares | shares	105,038
Beginning Balance, Weighted Average Exercise Price | $ / shares	$ 70.78
Granted, Weighted Average Exercise Price | $ / shares	61.96
Forfeited, Weighted Average Exercise Price | $ / shares	67.27
Exercised, Weighted Average Exercise Price | $ / shares	72.55
Ending Balance, Weighted Average Exercise Price | $ / shares	67.60
Options Exercisable, Weighted Average Exercise Price | $ / shares	$ 65.30
Ending Balance, Weighted Average Remaining Terms (years)	4 years 10 months 24 days
Options Exercisable, Weighted Average Remaining Terms (years)	2 years 3 months 18 days
Ending Balance, Aggregate Intrinsic Value | $	$ 928,794
Options Exercisable, Aggregate Intrinsic Value | $	$ 702,837