Supplemental Balance Sheet Details - Narrative - Warranties (Details)	9 Months Ended
	Sep. 27, 2020
Instruments
Product Warranty Liability [Line Items]
Warranty period	1 year
Consumables | Minimum
Product Warranty Liability [Line Items]
Warranty period	6 months
Consumables | Maximum
Product Warranty Liability [Line Items]
Warranty period	12 months