Revenue - (Disaggregation by Revenue Type and Geographical Region) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2020	Mar. 29, 2019
Disaggregation of Revenue [Line Items]
Sales	$ 547.2	$ 659.7
North America
Disaggregation of Revenue [Line Items]
Sales	269.8	298.5
Western Europe
Disaggregation of Revenue [Line Items]
Sales	120.6	160.1
Other developed markets
Disaggregation of Revenue [Line Items]
Sales	37.6	40.4
Emerging markets
Disaggregation of Revenue [Line Items]
Sales	119.2	160.7
Specialty Products & Technologies
Disaggregation of Revenue [Line Items]
Sales	272.6	348.8
Specialty Products & Technologies | North America
Disaggregation of Revenue [Line Items]
Sales	128.3	149.6
Specialty Products & Technologies | Western Europe
Disaggregation of Revenue [Line Items]
Sales	62.7	89.4
Specialty Products & Technologies | Other developed markets
Disaggregation of Revenue [Line Items]
Sales	21.2	22.8
Specialty Products & Technologies | Emerging markets
Disaggregation of Revenue [Line Items]
Sales	60.4	87.0
Equipment & Consumables
Disaggregation of Revenue [Line Items]
Sales	274.6	310.9
Equipment & Consumables | North America
Disaggregation of Revenue [Line Items]
Sales	141.5	148.9
Equipment & Consumables | Western Europe
Disaggregation of Revenue [Line Items]
Sales	57.9	70.7
Equipment & Consumables | Other developed markets
Disaggregation of Revenue [Line Items]
Sales	16.4	17.6
Equipment & Consumables | Emerging markets
Disaggregation of Revenue [Line Items]
Sales	58.8	73.7
Consumables
Disaggregation of Revenue [Line Items]
Sales	377.9	460.8
Equipment
Disaggregation of Revenue [Line Items]
Sales	$ 169.3	$ 198.9