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Financial Instruments - Additional Information (Detail) $ in Thousands, € in Millions			3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 12, 2024 EUR (€)	Nov. 07, 2023 EUR (€)	Sep. 28, 2025 USD ($)	Sep. 29, 2024 USD ($)	Sep. 28, 2025 USD ($)	Sep. 29, 2024 USD ($)	Dec. 31, 2024 USD ($)	May 27, 2024 EUR (€)
Financial Instruments and Fair Value [Line Items]
Fair market value of investments with unrealized losses greater than one year			$ 37,800		$ 37,800		$ 40,900
Fair market value of investments with unrealized losses less than one year			11,800		11,800		22,600
Unrealized Gain (loss) on contracts, net			2,800	$ (2,900)	6,200	$ 3,100
Other comprehensive income (Loss), cash flow hedge, gain (loss), before reclassification, after tax			0	$ (260)	(381)	1,014
Notional Amount | €								€ 483.1
Call Option
Financial Instruments and Fair Value [Line Items]
Realized gain (loss) on contracts, net						$ (9,800)
Technoprobe [Member]
Financial Instruments and Fair Value [Line Items]
Percentage of investment acquired		10.00%
Technoprobe [Member] | Call Option
Financial Instruments and Fair Value [Line Items]
Notional Amount | €		€ 481.0
Expiration date of the option		Apr. 26, 2024
Cash Flow Hedging [Member]
Financial Instruments and Fair Value [Line Items]
Other comprehensive income (Loss), cash flow hedge, gain (loss), before reclassification, after tax							900
Debt Mutual Funds
Financial Instruments and Fair Value [Line Items]
Available for sale securities with out contractual maturity date			$ 14,800		14,800
Forward
Financial Instruments and Fair Value [Line Items]
Notional Amount | €	€ 481.0
Expiration date of the option	May 23, 2024
Foreign Exchange Contracts
Financial Instruments and Fair Value [Line Items]
Unrealized Gain (loss) on contracts, net					$ (800)		$ (600)

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