Revenue (Disaggregation by Revenue Type and Geographical Region) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Disaggregation of Revenue [Line Items]
Sales	$ 362.0	$ 712.1	$ 909.2	$ 1,371.8
North America
Disaggregation of Revenue [Line Items]
Sales	162.1	340.2	431.8	638.7
Western Europe
Disaggregation of Revenue [Line Items]
Sales	73.8	156.1	194.4	316.2
Other developed markets
Disaggregation of Revenue [Line Items]
Sales	28.0	45.0	65.7	85.4
Emerging markets
Disaggregation of Revenue [Line Items]
Sales	98.1	170.8	217.3	331.5
Specialty Products & Technologies
Disaggregation of Revenue [Line Items]
Sales	184.6	347.3	457.2	696.1
Specialty Products & Technologies | North America
Disaggregation of Revenue [Line Items]
Sales	77.9	152.3	206.2	301.9
Specialty Products & Technologies | Western Europe
Disaggregation of Revenue [Line Items]
Sales	41.0	83.2	103.7	172.6
Specialty Products & Technologies | Other developed markets
Disaggregation of Revenue [Line Items]
Sales	15.8	24.0	37.0	46.8
Specialty Products & Technologies | Emerging markets
Disaggregation of Revenue [Line Items]
Sales	49.9	87.8	110.3	174.8
Equipment & Consumables
Disaggregation of Revenue [Line Items]
Sales	177.4	364.8	452.0	675.7
Equipment & Consumables | North America
Disaggregation of Revenue [Line Items]
Sales	84.2	187.9	225.6	336.8
Equipment & Consumables | Western Europe
Disaggregation of Revenue [Line Items]
Sales	32.8	72.9	90.7	143.6
Equipment & Consumables | Other developed markets
Disaggregation of Revenue [Line Items]
Sales	12.2	21.0	28.7	38.6
Equipment & Consumables | Emerging markets
Disaggregation of Revenue [Line Items]
Sales	48.2	83.0	107.0	156.7
Consumables
Disaggregation of Revenue [Line Items]
Sales	255.3	492.8	633.2	953.6
Equipment
Disaggregation of Revenue [Line Items]
Sales	$ 106.7	$ 219.3	$ 276.0	$ 418.2