Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2019	Mar. 28, 2020	Mar. 30, 2019	Dec. 28, 2019
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		$ 1,725	$ 2,735
Impairment charges		2,237	0
Restructuring costs		3,962	2,735
Restructuring reserves		3,300		$ 2,700
Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 2,500	1,601	2,452
Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 300	124	283
Electronics
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		882	1,813
Impairment charges		0	0
Restructuring costs		882	1,813
Electronics | Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		881	1,800
Electronics | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		1	13
Automotive
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		519	625
Impairment charges		0	0
Restructuring costs		519	625
Automotive | Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		399	605
Automotive | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		120	20
Industrial
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		324	297
Impairment charges			0
Restructuring costs		2,561	297
Industrial | Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		321	47
Industrial | Facility Closing
Restructuring Cost and Reserve [Line Items]
Impairment charges		2,237
Industrial | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges		$ 3	$ 250