Financial Instruments - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Apr. 04, 2021	Mar. 29, 2020	Dec. 31, 2020
Financial Instruments and Fair Value [Line Items]
Available-for-sale securities, realized gain	$ 1,200,000	$ 1,400,000
Available-for-sale securities, realized loss		100,000
Fair market value of investments with unrealized losses less than one year	65,500,000		$ 70,400,000
Unrealized Gain (loss) on contracts	200,000	2,000,000.0
Equity securities unrealized gain	1,400,000
Equity securities unrealized loss		$ 6,000,000.0
Debt Mutual Funds
Financial Instruments and Fair Value [Line Items]
Available for sale securities with out contractual maturity date	9,300
Foreign Exchange Contracts
Financial Instruments and Fair Value [Line Items]
Unrealized Gain (loss) on contracts	$ 156,800,000		$ 152,900,000