Financial Instruments Measured at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024	Dec. 31, 2024
Financial Instruments Measured at Fair Value
Debt and equity securities, unrealized gains (losses)	$ 700	$ (6,700)	$ 500	$ (10,300)
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	$ 15,831		$ 15,831		$ 10,751
Equity investments	41,389		41,389		42,907
Foreign exchange contracts designated as net investment hedges	14,943		14,943		53,679
Total fair value assets and liabilities measured on recurring basis	72,163		72,163		107,337
Fair value, measurements, recurring | Fair value, inputs, level 1
Financial Instruments Measured at Fair Value
Cash equivalents	15,831		15,831		10,751
Equity investments	41,389		41,389		42,907
Foreign exchange contracts designated as net investment hedges	0		0		0
Total fair value assets and liabilities measured on recurring basis	57,220		57,220		53,658
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	14,943		14,943		53,679
Total fair value assets and liabilities measured on recurring basis	14,943		14,943		53,679
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