Financial Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025	Dec. 31, 2025
Financial Instruments Measured at Fair Value
Debt and equity securities, unrealized gains (losses)	$ 7,900	$ 700	$ 4,900	$ 500
Marubun
Financial Instruments Measured at Fair Value
Equity method investment, ownership percentage	9.00%		9.00%
Fair value, measurements, recurring
Financial Instruments Measured at Fair Value
Cash equivalents	$ 17,099		$ 17,099		$ 11,412
Equity investments	42,893		42,893		41,787
Foreign exchange contracts designated as net investment hedges	20,095		20,095		16,816
Total fair value assets and liabilities measured on recurring basis	80,087		80,087		70,015
Fair value, measurements, recurring | Fair value, inputs, level 1
Financial Instruments Measured at Fair Value
Cash equivalents	17,099		17,099		11,412
Equity investments	42,893		42,893		41,787
Foreign exchange contracts designated as net investment hedges	0		0		0
Total fair value assets and liabilities measured on recurring basis	59,992		59,992		53,199
Fair value, measurements, recurring | Fair value, inputs, level 2
Financial Instruments Measured at Fair Value
Cash equivalents	0		0		0
Equity investments	0		0		0
Foreign exchange contracts designated as net investment hedges	20,095		20,095		16,816
Total fair value assets and liabilities measured on recurring basis	20,095		20,095		16,816
Fair value, measurements, recurring | Fair value, inputs, level 3
Financial Instruments Measured at Fair Value
Cash equivalents	0		0		0
Equity investments	0		0		0
Foreign exchange contracts designated as net investment hedges	0		0		0
Total fair value assets and liabilities measured on recurring basis	$ 0		$ 0		$ 0