Segment Information - Segment Reporting Information, by Segment (Details) $ in Thousands	3 Months Ended				9 Months Ended		33 Months Ended
	Sep. 27, 2025 USD ($)	Mar. 29, 2025 USD ($)	Sep. 28, 2024 USD ($)	Mar. 30, 2024 USD ($) property	Sep. 27, 2025 USD ($)	Sep. 28, 2024 USD ($)	Sep. 27, 2025 USD ($)
Segment Reporting Information
Net sales	$ 624,640		$ 567,390		$ 1,792,360	$ 1,661,263
Other segment expenses	523,895		477,303		1,516,060	1,441,425
Segment operating income	97,416		87,821		260,344	208,279
Interest expense	8,578		9,772		26,021	29,358
Foreign exchange loss	175		9,630		15,466	4,273
Other income, net	(6,053)		(9,297)		(14,020)	(19,916)
Income before income taxes	94,716		77,716		232,877	194,564
Restructuring charges	1,633		1,840		13,022	9,396
Restructuring charges, net					13,100
Dortmund Fab
Segment Reporting Information
Acquisition related costs						200	$ 3,500
Inventory adjustment		$ 500
Operating Income (Loss)
Segment Reporting Information
Acquisition related costs	1,400		1,000		3,000	2,800
Operating Segments
Segment Reporting Information
Segment operating income	100,745		90,087		276,300	219,838
Other
Segment Reporting Information
Segment operating income	(3,329)		(2,266)		(15,956)	(11,559)
Electronics
Segment Reporting Information
Net sales	357,457		304,188		1,000,372	900,932
Other segment expenses	293,817		255,297		840,105	768,073
Restructuring charges	526		1,235		6,948	6,479
Electronics | Operating Segments
Segment Reporting Information
Segment operating income	63,640		48,891		160,267	132,859
Transportation
Segment Reporting Information
Net sales	171,311		171,381		512,573	510,711
Other segment expenses	151,124		147,896		445,395	455,786
Restructuring charges	1,107		591		5,637	2,469
Impairment		$ 100		$ 900
Gain (loss) on disposition of business	300
Gain on sale of properties			500	$ 1,000
Number of properties sold (property) | property				2
Transportation | Operating Segments
Segment Reporting Information
Segment operating income	20,187		23,485		67,178	54,925
Industrial
Segment Reporting Information
Net sales	95,872		91,821		279,415	249,620
Other segment expenses	78,954		74,110		230,560	217,566
Restructuring charges	0		14		437	448
Industrial | Operating Segments
Segment Reporting Information
Segment operating income	$ 16,918		$ 17,711		$ 48,855	$ 32,054