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Goodwill and Other Intangible Assets - Amounts for Goodwill and Changes in Carrying Value by Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Goodwill
Balance			$ 820,589
Impairments	$ (33,841)	$ 0	(33,841)	$ 0
Currency translation			853
Balance	787,601		787,601
Electronics
Goodwill
Balance			650,796
Impairments			0
Currency translation			860
Balance	651,656		651,656
Automotive
Goodwill
Balance			131,321
Impairments			(33,841)
Currency translation			128
Balance	97,608		97,608
Industrial
Goodwill
Balance			38,472
Impairments			0
Currency translation			(135)
Balance	$ 38,337		$ 38,337