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Stock Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended		36 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Jul. 01, 2021	Sep. 11, 2018
Class of Stock [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 4,700			$ 4,700
Shares repurchased(1)	1,000		208,000	4,000	208,000
Average cost per share	$ 213.91		$ 134.03	$ 164.44	$ 134.03
Value of shares repurchased	$ 220	$ 371	$ 27,854	$ 591	$ 27,854
2018 Repurchase Program | Common Stock
Class of Stock [Line Items]
Number of common shares authorized to be repurchased under new stock repurchase program							5,000,000.0
Forecast [Member] | 2018 Repurchase Program | Common Stock
Class of Stock [Line Items]
Stock Repurchase Program, Period						3 years

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount remaining of a stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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