Stock-Based Compensation (Details) - Restricted stock units (RSUs) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Number of shares granted in period (in shares)	21,000	4,000	194,000	193,000
Weighted-average grant-date fair value (in usd per share)	$ 189.91	$ 94.25	$ 176.73	$ 120.35
Recognized stock-based compensation costs	$ 7,425	$ 4,883	$ 19,411	$ 14,559
Recognized stock-based compensation costs, net of tax	5,494	$ 3,614	14,364	$ 10,773
Pre-tax unrecognized compensation expense, net of forfeitures	$ 26,327		$ 26,327
Recognized expense over a weighted-average period (years)			1 year 9 months 25 days

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Net number of share options (or share units) granted during the period.

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