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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 25, 2021	Sep. 26, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares			76,984
Weighted-average grant-date fair value			$ 106.23
Compensation cost related to stock options	$ 0.3	$ 0.3	$ 0.9	$ 0.8
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock shares purchased			31,462	10,735
Compensation cost			$ 0.7	$ 0.3
Performance-Based Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares			17,714
Weighted-average grant-date fair value			$ 131.02
RSA and RSU [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation cost related to restricted stock	1.4	$ 1.0	$ 4.5	$ 3.0
Restricted Stock and Restricted Stock Units Award [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested stock options	10.9		$ 10.9
Unrecognized compensation cost related to nonvested stock options, weighted-average period			2 years 3 months 18 days
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested stock options	$ 3.0		$ 3.0
Unrecognized compensation cost related to nonvested stock options, weighted-average period			2 years 9 months 18 days