Restructuring, Impairment and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Apr. 30, 2019	Dec. 29, 2018
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 2,735	$ 779
Restructuring costs		800
Restructuring reserves	2,100			$ 3,900
Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	2,452	779
Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	283
Facility closing | Minimum | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost			$ 5,000
Facility closing | Maximum | Subsequent Event
Restructuring Cost and Reserve [Line Items]
Expected restructuring cost			$ 7,000
Electronics
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,813	677
Electronics | Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	1,800	677
Electronics | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	13
Automotive
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	625	99
Automotive | Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	605	99
Automotive | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	20
Industrial
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	297	3
Industrial | Employee terminations
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	47	$ 3
Industrial | Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 250