Revenue - Disaggregation by Revenue Type and Geographical Region (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2021	Apr. 03, 2020
Disaggregation of Revenue [Line Items]
Sales	$ 709.2	$ 547.2
Consumables
Disaggregation of Revenue [Line Items]
Sales	514.9	377.9
Equipment
Disaggregation of Revenue [Line Items]
Sales	194.3	169.3
North America
Disaggregation of Revenue [Line Items]
Sales	342.0	269.8
Western Europe
Disaggregation of Revenue [Line Items]
Sales	174.0	120.6
Other developed markets
Disaggregation of Revenue [Line Items]
Sales	47.8	37.6
Emerging markets
Disaggregation of Revenue [Line Items]
Sales	145.4	119.2
Specialty Products & Technologies
Disaggregation of Revenue [Line Items]
Sales	366.5	272.6
Specialty Products & Technologies | North America
Disaggregation of Revenue [Line Items]
Sales	163.4	128.3
Specialty Products & Technologies | Western Europe
Disaggregation of Revenue [Line Items]
Sales	94.8	62.7
Specialty Products & Technologies | Other developed markets
Disaggregation of Revenue [Line Items]
Sales	25.6	21.2
Specialty Products & Technologies | Emerging markets
Disaggregation of Revenue [Line Items]
Sales	82.7	60.4
Equipment & Consumables
Disaggregation of Revenue [Line Items]
Sales	342.7	274.6
Equipment & Consumables | North America
Disaggregation of Revenue [Line Items]
Sales	178.6	141.5
Equipment & Consumables | Western Europe
Disaggregation of Revenue [Line Items]
Sales	79.2	57.9
Equipment & Consumables | Other developed markets
Disaggregation of Revenue [Line Items]
Sales	22.2	16.4
Equipment & Consumables | Emerging markets
Disaggregation of Revenue [Line Items]
Sales	$ 62.7	$ 58.8