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Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 27, 2020	Mar. 28, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Restructuring Cost and Reserve
Total restructuring charges	$ 1,824		$ 5,683	$ 3,549	$ 8,418
Impairment charges	33,841		0	36,078	0
Restructuring costs	35,665		5,683	39,627	8,418
Restructuring reserves	4,500			4,500		$ 2,700
Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	1,815		5,613	3,416	8,065
Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	9		70	133	353
Electronics
Restructuring Cost and Reserve
Total restructuring charges	855		1,698	1,737	3,511
Impairment charges	0		0	0	0
Restructuring costs	855		1,698	1,737	3,511
Electronics \| Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	856		1,698	1,737	3,498
Electronics \| Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	(1)		0	0	13
Automotive
Restructuring Cost and Reserve
Total restructuring charges	197		3,311	716	3,936
Impairment charges	33,841		0	33,841	0
Restructuring costs	34,038		3,311	34,557	3,936
Automotive \| Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	209		3,241	608	3,846
Automotive \| Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	(12)		70	108	90
Industrial
Restructuring Cost and Reserve
Total restructuring charges	772		674	1,096	971
Impairment charges	0		0	2,237	0
Restructuring costs	772		674	3,333	971
Industrial \| Employee terminations
Restructuring Cost and Reserve
Total restructuring charges	750		674	1,071	721
Industrial \| Other restructuring charges
Restructuring Cost and Reserve
Total restructuring charges	$ 22		$ 0	$ 25	$ 250
Industrial \| Facility Closing
Restructuring Cost and Reserve
Impairment charges		$ 2,200