Increase decrease in deferred tax assets.

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Summary Of Significant Accounting Policies [Line Items]

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Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

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Amount of debt and lease obligation, classified as current.

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As of the reporting date, the carrying amount of noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. The noncontrolling interest holder's ownership (or holders' ownership) may be in the form of common shares (regardless of class), limited partnership units (regardless of class), non-preferential membership interests, or any other form of common equity regardless of investee entity legal form.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	Jan. 01, 2022	Oct. 02, 2022	Dec. 31, 2021
Summary Of Significant Accounting Policies [Line Items]
Debt		$ 50,195	$ 89,244
Retained earnings		572,652	736,566
Mezzanine equity			1,512
Additional paid-in capital		$ 1,746,779	$ 1,811,545
Increase Decrease in deferred tax assets	$ 1,800
Teradyne Member [Member]
Summary Of Significant Accounting Policies [Line Items]
Current debt,	1,400
Debt	6,600
Retained earnings	94,600
Mezzanine equity	100,800
Additional paid-in capital	100,800
Teradyne Member [Member] \| Accounting Standards Update 2020-06 [Member] \| Revision of Prior Period, Accounting Standards Update, Adjustment [Member]
Summary Of Significant Accounting Policies [Line Items]
Mezzanine equity	$ 0