Segment Information - Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 05, 2020	Mar. 31, 2019	Dec. 29, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 288,169	$ 297,688
Depreciation and amortization	10,940	11,344
Total assets	1,287,083		$ 1,423,049
Operating Segments
Segment Reporting Information [Line Items]
Net Sales	288,169	297,688
Depreciation and amortization	9,519	10,063
Total assets	1,376,269
AMERICAS | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	158,091	160,626
Depreciation and amortization	3,060	3,251
Total assets	679,777
EUROPE | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	94,690	93,050
Depreciation and amortization	4,441	4,680
Total assets	530,101
ASIA- PACIFIC | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	35,388	44,012
Depreciation and amortization	2,018	$ 2,132
Total assets	$ 166,391