Revenue Recognition - Disaggregation of Revenue (Details)	9 Months Ended
	Oct. 04, 2020	Sep. 29, 2019
Americas
Percentage of net sales (percentage)	54.70%	56.20%
Europe
Percentage of net sales (percentage)	31.40%	29.40%
Asia-Pacific
Percentage of net sales (percentage)	13.90%	14.40%