Segment Information - Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2021	Apr. 05, 2020
Segment Reporting Information [Line Items]
Net sales	$ 253,260	$ 288,169
Depreciation and amortization	11,934	10,940
Operating Segments
Segment Reporting Information [Line Items]
Net sales	253,260	288,169
Depreciation and amortization	11,934	10,940
Operating Segments | AMS
Segment Reporting Information [Line Items]
Net sales	126,967	158,091
AOI	11,913	23,552
Depreciation and amortization	4,723	3,907
Operating Segments | EAAA
Segment Reporting Information [Line Items]
Net sales	126,293	130,078
AOI	8,011	5,798
Depreciation and amortization	$ 7,211	$ 7,033