Revenue - (Disaggregation by Revenue Type and Geographical Region) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 27, 2019	Jun. 28, 2019	Mar. 29, 2019	Dec. 31, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Sales	$ 720.5	$ 659.3	$ 712.1	$ 659.7	$ 759.0	$ 679.5	$ 733.4	$ 672.6	$ 2,751.6	$ 2,844.5	$ 2,810.9
North America
Disaggregation of Revenue [Line Items]
Sales									1,317.6	1,350.4
Western Europe
Disaggregation of Revenue [Line Items]
Sales									603.7	659.6
Other developed markets
Disaggregation of Revenue [Line Items]
Sales									174.3	179.9
Emerging markets
Disaggregation of Revenue [Line Items]
Sales									656.0	654.6
Specialty Products & Technologies
Disaggregation of Revenue [Line Items]
Sales									1,342.7	1,369.8
Specialty Products & Technologies | North America
Disaggregation of Revenue [Line Items]
Sales									602.7	605.5
Specialty Products & Technologies | Western Europe
Disaggregation of Revenue [Line Items]
Sales									315.6	340.8
Specialty Products & Technologies | Other developed markets
Disaggregation of Revenue [Line Items]
Sales									92.8	97.0
Specialty Products & Technologies | Emerging markets
Disaggregation of Revenue [Line Items]
Sales									331.6	326.5
Equipment & Consumables
Disaggregation of Revenue [Line Items]
Sales									1,408.9	1,474.7
Equipment & Consumables | North America
Disaggregation of Revenue [Line Items]
Sales									714.9	744.9
Equipment & Consumables | Western Europe
Disaggregation of Revenue [Line Items]
Sales									288.1	318.8
Equipment & Consumables | Other developed markets
Disaggregation of Revenue [Line Items]
Sales									81.5	82.9
Equipment & Consumables | Emerging markets
Disaggregation of Revenue [Line Items]
Sales									$ 324.4	$ 328.1