Accounting Policies (Disaggregation of Revenue) (Details) $ in Millions	12 Months Ended
	Dec. 29, 2018 USD ($)
Disaggregation of Revenue [Line Items]
Revenue	$ 3,645.6
North America
Disaggregation of Revenue [Line Items]
Revenue	2,751.8
Asia
Disaggregation of Revenue [Line Items]
Revenue	333.2
Europe
Disaggregation of Revenue [Line Items]
Revenue	324.6
Rest-of-World
Disaggregation of Revenue [Line Items]
Revenue	236.0
Commercial and Industrial Systems
Disaggregation of Revenue [Line Items]
Revenue	1,782.0
Commercial and Industrial Systems | North America
Disaggregation of Revenue [Line Items]
Revenue	1,173.5
Commercial and Industrial Systems | Asia
Disaggregation of Revenue [Line Items]
Revenue	269.6
Commercial and Industrial Systems | Europe
Disaggregation of Revenue [Line Items]
Revenue	177.2
Commercial and Industrial Systems | Rest-of-World
Disaggregation of Revenue [Line Items]
Revenue	161.7
Climate Solutions
Disaggregation of Revenue [Line Items]
Revenue	1,024.8
Climate Solutions | North America
Disaggregation of Revenue [Line Items]
Revenue	891.9
Climate Solutions | Asia
Disaggregation of Revenue [Line Items]
Revenue	39.5
Climate Solutions | Europe
Disaggregation of Revenue [Line Items]
Revenue	50.5
Climate Solutions | Rest-of-World
Disaggregation of Revenue [Line Items]
Revenue	42.9
Power Transmission Solutions
Disaggregation of Revenue [Line Items]
Revenue	838.8
Power Transmission Solutions | North America
Disaggregation of Revenue [Line Items]
Revenue	686.4
Power Transmission Solutions | Asia
Disaggregation of Revenue [Line Items]
Revenue	24.1
Power Transmission Solutions | Europe
Disaggregation of Revenue [Line Items]
Revenue	96.9
Power Transmission Solutions | Rest-of-World
Disaggregation of Revenue [Line Items]
Revenue	$ 31.4