Restructuring Activities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 1.3	$ 6.1
Provision	5.7	8.9
Less: Payments	7.5	13.7
Ending Balance	0.6	1.3
Expected future restructuring charges	12.9
Total Restructuring Related costs	1.1	0.0
Total Restructuring and Restructuring Related Costs	6.8	8.9
Commercial and Industrial Systems
Restructuring Reserve [Roll Forward]
Total Restructuring and Restructuring Related Costs	2.5	6.8
Climate Solutions
Restructuring Reserve [Roll Forward]
Total Restructuring and Restructuring Related Costs	2.6	1.5
Power Transmission Solutions
Restructuring Reserve [Roll Forward]
Total Restructuring and Restructuring Related Costs	1.7	0.6
Cost of Sales
Restructuring Reserve [Roll Forward]
Provision	4.2	7.7
Total Restructuring Related costs	0.5	0.0
Total Restructuring and Restructuring Related Costs	4.7	7.7
Operating Expenses
Restructuring Reserve [Roll Forward]
Provision	1.5	1.2
Total Restructuring Related costs	0.6	0.0
Total Restructuring and Restructuring Related Costs	2.1	1.2
Employee Termination Expenses
Restructuring Reserve [Roll Forward]
Provision	0.8	0.6
Expected future restructuring charges	6.1
Total Restructuring Related costs	1.1	0.0
Employee Termination Expenses | Cost of Sales
Restructuring Reserve [Roll Forward]
Provision	0.5	0.6
Total Restructuring Related costs	0.5	0.0
Employee Termination Expenses | Operating Expenses
Restructuring Reserve [Roll Forward]
Provision	0.3	0.0
Total Restructuring Related costs	0.6	0.0
Facility Related Costs
Restructuring Reserve [Roll Forward]
Provision	3.2	5.0
Expected future restructuring charges	6.8
Facility Related Costs | Cost of Sales
Restructuring Reserve [Roll Forward]
Provision	2.9	3.8
Facility Related Costs | Operating Expenses
Restructuring Reserve [Roll Forward]
Provision	0.3	1.2
Other Expenses
Restructuring Reserve [Roll Forward]
Provision	1.7	3.3
Other Expenses | Cost of Sales
Restructuring Reserve [Roll Forward]
Provision	0.8	3.3
Other Expenses | Operating Expenses
Restructuring Reserve [Roll Forward]
Provision	$ 0.9	$ 0.0